radiography can help detect which substance(s)? a. organophosphates b. iron c. phenazopyridine (pyridium) d. hydrocarbons

Answers

Answer 1

Radiography can help detect iron. Therefore, option (B) is correct.

Radiography is a non-invasive imaging technique that uses X-rays to produce images of the inside of the body. It can detect the presence of certain substances, such as iron and hydrocarbons. Iron can be detected using radiography due to its high atomic number, which allows it to absorb X-rays more readily than other materials.

Hydrocarbons can also be detected using radiography, as they have a low atomic number and are transparent to X-rays, allowing them to appear as dark spots on the X-ray image. However, radiography may not be able to detect all types of substances, and additional tests may be needed to confirm the presence of certain chemicals or compounds.

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Related Questions

You are the administrator of a 250-bed hospital. A recent report from the county tells you that the population within a 25-radius of your facility is getting younger - the median age in the area has decreased from 35 years of age to 29 years of age. This was an expected impact of the new state university campus that has opened about five miles away.

a. What do you need to review and analyze to ensure that you can provide the services required by this changing population in your area?

b. Are there any departments in your hospital that may need to be added or expanded? If so, specifically, which services?
c. Are there any departments you might be able to reduce or eliminate? If so, specifically, which services?

d. What details about clinical staff and administrative staff do you need to take into consideration for any of these changes?

Answers

You must definitely need to review and analyze the population of younger patients that would influence your facility in order to ensure that you can provide the services required by this changing population in your area.

What are the departments that may need to be added?

The departments like research and development, data capturer, management, and fieldwork are added to observe the situations very sincerely in order to reveal better outputs.

Authentically, there are no such departments that have to be reduced or eliminated in this scenario. Those were running have to be going on. Things that would need to be altered with respect to the obtained result are as follows:

An enhancement in the utilization of health services.A more vigorous and efficient communication system. Fully and recently Updated medical records, etc.

Therefore, all the parts of the given question are well described above one by one.

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When defining an injury problem in your community, it is MOST important to determine:A) if you have support from local law enforcement. B) the most frequent causes of fatal and nonfatal injuries. C) how many trauma centers are located in your community. D) the socioeconomic status of those most commonly injured.

Answers

When defining an injury problem in your community, it is MOST important to determine the most frequent causes of fatal and nonfatal injuries. While each of the options provided is relevant to understanding and addressing injury concerns in a community, identifying the root causes of injuries is crucial for developing effective prevention strategies.
By determining the most frequent causes of injuries in a community, local health officials and organizations can tailor prevention efforts to address the specific risk factors that contribute to injuries. For example, if the most common cause of injuries is motor vehicle accidents, officials may focus on implementing traffic safety initiatives like increasing seatbelt usage and improving road infrastructure.
Understanding the socioeconomic status of those most commonly injured, as well as the availability of trauma centers and support from law enforcement, can also inform prevention efforts. However, without a clear understanding of the causes of injuries, efforts to address socioeconomic disparities or increase access to care may not effectively prevent injuries from occurring in the first place.
In short, while all of the options provided are relevant, determining the most frequent causes of fatal and nonfatal injuries is the first and most important step in addressing injury concerns in a community.
When defining an injury problem in your community, it is MOST important to determine B) the most frequent causes of fatal and nonfatal injuries. Understanding these causes allows for targeted prevention and intervention efforts, ultimately reducing the incidence of injuries and improving community health and safety.

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is a type of
that srtimulates the thyroid gland to
produce excessive amounts of thyroid hormones.

Answers

SECONDARY HYPERTHYROIDISM

Up to 50 percent of brain growth occurs after birth.
O True
O False

Answers

Answer:

true you could check the internet for more ividents

It’s false. I hope this helped

Where and when was the concept of creating a public defenders program first introduced? At Gideon’s first appeal hearing At Gideon’s first appeal hearing By the US Congress in 1963 as part of the Criminal Justice Act By the US Congress in 1963 as part of the Criminal Justice Act At a session of the Congress of Jurisprudence and Law Reform at the Chicago World’s Fair in 1893 At a session of the Congress of Jurisprudence and Law Reform at the Chicago World’s Fair in 1893 At a conference in Disneyland in 1922

Answers

Answer:

At a session of the Congress of Jurisprudence and Law Reform at the Chicago World’s Fair in 1893

Explanation:

i took the test and it told me the right answer after i had finished.

How long can you eat eggs after the expiration date?.

Answers

Answer:

Eggs should be eaten within three to five weeks of purchase. The sell by date may have expired by then, but they should be ok to eat as long as they are cooked and have been refrigerated.

executive and sustained are two aspects of children’s _____ that improve during the preschool years.

Answers

Executive and sustained attention are two aspects of children's cognitive development that improve during the preschool years.

Executive attention refers to the ability to focus, regulate, and shift attention as needed, as well as the capacity to inhibit impulsive behaviors and engage in goal-directed actions. It involves higher-level cognitive processes, such as problem-solving, planning, and decision-making.

Sustained attention, also known as sustained concentration, is the ability to maintain focus and attention on a specific task or stimulus over an extended period. It involves the ability to resist distractions and stay engaged in an activity for an appropriate amount of time.

During the preschool years (typically around ages 3 to 5), children's cognitive abilities, including executive and sustained attention, undergo significant development. As their brain structures and neural connections continue to mature, children become increasingly capable of managing their attention and staying focused on tasks for longer durations. This improvement in executive and sustained attention supports their learning, problem-solving, and self-regulation skills, laying the foundation for further cognitive development throughout childhood and beyond.

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How has the development of technology positively affected our wellness?
A. It has provided entertainment in which people are less active.
It has increased the quality and availability of treatments.
It has increased the amount of advertising on the Internet.
Some technology has led to an increase in pollution
B.
C.
D
Please select the best answer from the choices provided.
A
Р
D

How has the development of technology positively affected our wellness?A. It has provided entertainment

Answers

The correct answer is B. It has increased the quality and availability of treatments.

Explanation:

In medicine, the development of new technologies including diagnostic equipment such as digital sphygmomanometers that measure blood pressure and treatments such as gene therapy had improved the quality and availability of medicine. This is because technology in medicine helps health professionals to provide accurate and prompt diagnosis, as well as, effective treatments. For example, nowadays cancer is more effectively diagnosed and treated than one century ago due to technologies such as scans or gene therapy. Moreover, this technology has spread to most regions of the world which allows most people to access appropriate treatments. According to this, the correct answer is B.

Answer:

Its B

Explanation:

How has the development of technology positively affected our wellness?

A.

It has provided entertainment in which people are less active.

B.

It has increased the quality and availability of treatments.

C.

It has increased the amount of advertising on the Internet.

D.

Some technology has led to an increase in pollution.

Please select the best answer from the choices provided.

A

B

C

D

When should a person consider drinking a sports drink during exercise? (5 points)

a
When avoiding extra calories

b
When exercising for only a few minutes

c
When exercising in cold weather

d
When one hasn't eaten before exercise

Answers

I’m pretty sure it’s D

When one is exercising for a long time or when one hasn't eaten before exercise is the time when a person should consider drinking a sports drink during exercise. So the correct option is D.

What are sports drinks?

Sports drinks are drinks that are infused with a high amount of electrolytes fluids and glucose which are consumed by athletes for instant energy.

During high-intensity or high endurance activities, a lot of energy is utilized by the athletes. Thus, they would require an increased supply of energy in the form of glucose.

This is exactly what sports drinks do. They contain high amounts of carbohydrates in the form of sugars like fructose and glucose. These help in the replenishment of the energy utilized by the athletes during extremely strenuous activities.

Sports drinks are consumed by the athletes when they are performing exercises for a long time or when they haven't eaten before beginning the exercises as in this case they would start with low energy levels.

Therefore, the correct option is D.

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When assessing a client who has developed a serum sickness reaction, which would the nurse expect to find?

Answers

When assessing a client who has developed a serum sickness reaction, the nurse would expect to find facial edema.

An itchy rash, high temperature, swollen lymph nodes, swollen and painful joints, and edema of the face and limbs are all symptoms of serum sickness reaction. An anaphylactic response would cause hives and respiratory problems. A cytotoxic response would be accompanied by a decreased white blood cell count.

Swelling of the face, also known as facial edema, is enlargement or distention caused by fluid buildup or inflammation in the facial tissues. Though it can happen anywhere on the face, inflammation is most obvious on the lips, cheeks, and eyelids. The neck region may also experience edema.

Swelling of the face can be caused by a range of mild to severe ailments, diseases, and circumstances. Infections, inflammation, trauma, and malignant tumors can all cause edema (cancer). Depending on the cause, the facial swelling may only last a short while, as is the case when an allergic reaction to animal dander causes swelling of the eyelids.

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In which stage of the stress response do our bodies release the hormone adrenaline?

Answers

Answer:

c

Explanation:

Answer:

Alarm

Hope this helps!

Explanation:

The choices are Alarm, Resistance, and Fatigue.

In which stage of the stress response do our bodies release the hormone adrenaline?

For an action to be classified as violence, the action must ___?

A. involve a threat or actual use of physical force
B. result in death
C. result in physical injury
D. involve physical force

Answers

The Answer is: A
Violence must involve a threat or actual physical force.

Hope this is right. Happy to help.! :)

For an action to be classified as violence, the action must involve a threat or actual use of physical force.

Option A is correct.

What causes violence?

Viciousness is an outrageous type of animosity. Savagery has many causes, including dissatisfaction, bluntness to fierce media, brutality in the house, and an inclination to consider others' activities to be antagonistic in any event, when they're not.

Savagery can cause actual injury as well as psychological hurt.

Thus, option A is correct.

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an aneurysm is __________. a. a liquid alkaloid b. a brain tumor c. a cough caused by smoking d. a weakened area in a blood vessel

Answers

An aneurysm is a weakened area in a blood vessel. Specifically, it is an abnormal bulge or ballooning in the wall of a blood vessel caused by the weakening of the vessel wall. This can occur in any blood vessel in the body, but most commonly affects the arteries in the brain, aorta, and other major arteries.
Option D is correct

Aneurysms can be asymptomatic or may present with symptoms such as severe headaches, visual disturbances, and even stroke or ruptured aneurysm. The risk factors for developing an aneurysm include high blood pressure, smoking, atherosclerosis, and certain genetic disorders.If an aneurysm is detected, treatment options may include observation, medication to control blood pressure, or surgical intervention to repair or remove the aneurysm. The choice of treatment depends on several factors such as the size and location of the aneurysm, the patient's overall health, and the risk of rupture.In conclusion, an aneurysm is a weakened area in a blood vessel that can lead to serious health complications if left untreated. It is important to be aware of the risk factors and to seek medical attention if any symptoms occur. Regular health screenings and management of risk factors can help prevent the development of aneurysms.

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An aneurysm is a weakened area in a blood vessel that causes a bulge or ballooning of the vessel wall. It can occur in any blood vessel in the body but is most commonly found in the brain, aorta, and arteries in the legs.

The risk of an aneurysm increases with age, high blood pressure, smoking, and a family history of the condition. If an aneurysm ruptures, it can cause a life-threatening hemorrhage, leading to stroke, brain damage, or death. Therefore, it is important to detect and treat aneurysms early to prevent complications. Diagnostic tests, such as MRI, CT scan, and angiography, can be used to identify an aneurysm. Treatment options include surgical clipping, endovascular coiling, and stent placement, depending on the location and size of the aneurysm. In conclusion, an aneurysm is a serious medical condition that requires prompt diagnosis and treatment. It is not a liquid alkaloid, brain tumor, or cough caused by smoking. Understanding the risk factors and symptoms of an aneurysm can help individuals seek medical attention before it becomes a life-threatening emergency.

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How many days a week should you incorporate weight training into your workout if you are at an advanced fitness level?
a.) 2-4 days per week
b.) 3-5 days per week
c.) 4-5 days per week

Answers

the answer is C. 4-5 days per week

Answer:

yes it is

Explanation:

explorers are made of strong, rigid metal that does not bend easily. explorers are circular in cross section.

Answers

Explorers are one of the most commonly used instruments in dental practices. These instruments are used to detect dental caries, calculus, and other abnormalities in the teeth. Explorers are made of strong, rigid metal that does not bend easily.

This characteristic allows the dentist or hygienist to exert force on the instrument without it bending or breaking during use. The circular cross-section of the explorer also helps in providing accurate readings as it can fit into small crevices and detect even the slightest abnormalities.

The most common types of explorers used in dental practices are the periodontal probe and the sickle explorer. The periodontal probe is a long, thin instrument that has markings on the tip to measure the depth of the periodontal pocket. The sickle explorer has a pointed tip that is used to detect dental caries and calculus.

In summary, explorers are essential tools in dental practices due to their strength and accuracy. Their circular cross-section and ability to detect even the smallest abnormalities make them invaluable in detecting and treating dental issues.

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a food worker takes a short break. what must he do before returning to food preparation

Answers

Answer:

The food worker must wash his hands before returning to food preperation because may his hands be dirty bacteria will build up and by touching the food the worker could get it infected.

Explanation:

#1. Are you ready? Before you create a fitness plan for yourself, make sure to follow any recommendations provided by your health care provider. If your provider has advised you not to participate in physical activity or you don't feel comfortable sharing personal health goals, please complete this activity as a hypothetical fitness plan.
Have you been or are you planning on being advised by your doctor before participating in a fitness plan?

Answers

We can see here that it is very important to get a doctor's advise before participating in a fitness plan. This is because one might have underlying health challenges which might not be good to carry out or participate in physical fitness activities.

What is healthcare provider?

A healthcare provider is a person or organization who offers medical care and services to those in need. Physicians, nurses, pharmacists, physical therapists, dentists, psychologists, and other healthcare professionals are examples of healthcare providers.

We can see that the primary responsibility of a healthcare provider is to diagnose, treat, and manage the health conditions of their patients.

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Memory, problem solving, and multitasking are all functions of the________lobe.
A. temporal
B. occipital
C. frontal
D. parietal

Answers

Answer:

C. frontal

Explanation:

The frontal lobe controls our cognitive skills, like memory, problem solving, multitasking, language, and emotion.

Answer:

C. Frontal

Explanation:

Our bodies produce
a naturally occurring
narcotic.
True or false?
true
false

Answers

Answer: True

Explanation: Your brain creates what are called endogenous opioids. They act as a natural pain killer for your body.

I hope this helps!

If you wanted to see a cell wall, what would you have to look at to see one?

Answers

Answer:

Two types of electron microscopy—transmission and scanning—are widely used to study cells. In principle, transmission electron microscopy is similar to the observation of stained cells with the bright-field light microscope.

so basically in order to see a cell wall you need a miscroscope because its naked to the human eye

hope this helps <3

After deciding not to serve alcohol to these two suspected minors what is gabreils next appropriate action?

Answers

Answer: Letting a higher authority know that minors are trying to buy alcohol.

Explanation:

Which is a healthy way to treat depression?

giving it time to go away
partying often
going to support groups
isolating oneself

Answers

It would be the third option going to support groups

Select the correct answer.
Which step of the PRICES method is represented by the letter S?
O A.
Raise the injured area above the heart.
O B.
Stop the activity until the injury is evaluated.
O C. Wrap the injured site to decrease swelling.
O D.
Apply a brace or a splint to the area.
Reset
Next

Answers

Apply a brace or a splint to the area is the step of the PRICES method is represented by the letter S.

Protection, Rest, Ice, Compression, Elevation, and Splint are the acronyms for the P.R.I.C.E.S. philosophy.

1) Protection - By defending the damaged structures, protection aims to stop further damage from occurring in the area. The kind of protection employed varies based on the wounded location but may include an ace bandage, aluminum splint, sling, protective tape, or over-the-counter brace.

2) Rest - Rest is necessary to prevent movement of the wounded area from interfering with the body's natural healing processes.

3) Ice - The P.R.I.C.E. concept also includes ice. Cryotherapy comes in a variety of forms that can be used to treat wounds successfully.

4) Compression - When the ice pack is taken off, the damaged region has to have a compression wrap put on it. In order to reduce swelling in the damaged area, the compression wrap acts as a mechanical barrier.

5) Elevation - Immediate post-injury elevation is crucial to reducing the amount of blood flow to the wounded area.

6) Splint - Put a brace or splint on the affected area.

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a quick two-second spray of vegetable oil cooking spray adds about how much fat?

Answers

A quick two-second spray of vegetable oil cooking spray adds about \(0.2 \ g\) of fat.

A quick two-second spray of vegetable oil cooking spray typically adds a negligible amount of fat to your food. The exact amount of fat added can vary depending on the specific brand and type of vegetable oil spray used, but in general, it is very minimal. Most vegetable oil sprays are designed to provide a thin and even coating of oil, allowing you to reduce the overall amount of oil used in cooking.

To put it into perspective, a typical one-second spray of vegetable oil cooking spray contains about \(0.1 \ g\) of fat. Therefore, a two-second spray would likely add around \(0.2 \ g\) of fat. This amount is considered negligible compared to other sources of fat in the meal itself.

It's important to note that using a cooking spray can be a healthier alternative to pouring oil directly onto the pan or food, as it allows for better portion control and reduces the overall fat content in your dishes.

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When the blood sugar is too high, what should the pancreas do?

Answers

Answer:

As blood sugar levels rise, the pancreas produces insulin, a hormone that prompts cells to absorb blood sugar for energy or storage. As cells absorb blood sugar, levels in the bloodstream begin to fall. When this happens, the pancreas start making glucagon, a hormone that signals the liver to start releasing stored sugar.

Answer:

As blood sugar levels rise, the pancreas produces insulin.

Explanation:

As blood sugar levels rise, the pancreas produces insulin.

A hormone that prompts cells to absorb blood sugar for energy or storage. As cells absorb blood sugar, levels in the bloodstream begin to fall. When this happens, the pancreas start making glucagon, a hormone that signals the liver to start releasing stored sugar.

As cells absorb blood sugar, levels in the bloodstream begin to fall.

When this happens, the pancreas start making glucagon, a hormone that signals the liver to start releasing stored sugar.

This interplay of insulin and glucagon ensure that cells throughout the body, and especially in the brain, have a steady supply of blood sugar.

Carbohydrate metabolism is important in the development of type 2 diabetes, which occurs when the body can’t make enough insulin or can’t properly use the insulin it makes.

Type 2 diabetes usually develops gradually over a number of years, beginning when muscle and other cells stop responding to insulin. This condition, known as insulin resistance, causes blood sugar and insulin levels to stay high long after eating. Over time, the heavy demands made on the insulin-making cells wears them out, and insulin production eventually stops.

"Read each question below and include your answers in your
responses
How do you identify a research question or problem of
interest?

Answers

A research question is a problem that you want to solve through research. Here are some tips to identify a research question or problem of interest:

Review the Literature: Analyzing the previous research conducted in the field and related areas can help you to determine an area of research that has gaps or needs further investigation.Narrow the Focus: After reviewing the literature, you may have a broad idea for research. Therefore, narrow your focus by defining a specific research question.

This question should be focused on one specific issue or problem that you want to explore.Ask Questions: Before defining the research question, start asking questions about the topic of your interest, such as "What is the current status of the issue?", "What gaps exist in the existing research?", or "What factors are responsible for the problem?" Use these questions to guide your research question.Reflect on Personal Interests and Experiences: To identify a research question, consider the topics you are interested in or have experience with.

By doing so, you can use your expertise to answer the research question in a better way.Consider Feasibility: A research question should also consider its feasibility. Feasibility in research involves considering the availability of resources and the time required for conducting the research. If the research is not feasible, then it is better to choose another research question.

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What is the unit of heat used to measure the energy value of food?

Answers

british thermal unit (BTU) i’m not exactly sure

which documentation will the nurse record for a client who had a total knee replacement 2 days ago and reports sharp pain at the surgical site?

Answers

When a client who had a total knee replacement 2 days ago and reports sharp pain at the surgical site, the nurse will record documentation or records that contain the client's vital signs, assessment of the surgical site, and other important details that can aid in the diagnosis of the underlying cause and how to remedy it.

The following are examples of documentation that the nurse may record for a client who had a total knee replacement 2 days ago and reports sharp pain at the surgical site:Observations and findings of the surgical siteAssessment of the vital signsAnalysis of the client's postoperative recovery to ensure the client is safe to discharge from the hospitalClinical procedures, such as surgical interventions or medical treatments that have been conducted on the client.

The nurse should document pain severity, timing, location, and characteristics to determine the client's level of discomfort and pain level. Furthermore, the nurse should document any medications administered to the patient and their reactions. Documentation is important for medical care since it assists in monitoring the patient's recovery progress and planning future interventions if necessary.

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Nudge the ball; don’t kick it. The ball should never be more than a foot or two away from your feet. Describes what?.

Answers

Answer:

dribbling

Explanation:

Answer:

I think it's dribbling if I'm wrong someone correct me thank you

Nector consistency is:
•A type of food •A thick pudding •A slightly thickened liquid •Not used in long -term care facilities

Answers

A slightly thickened liquid???
Other Questions
Which inequality models this problem?Reiko started a business selling home medical supplies. She spent $6500 to obtain her merchandise, and it costs her $550 per week for expenses. She earns $900 per week for general expenses. What is the minimum number of weeks it will take for Reiko to make a profit?a.) 900w 6500 + 550wb.) 900w < 6500 + 550wc.) 900w > 6500 + 550wd.) 550w > 6500 + 900w George is about to buy a variable annuity but is concerned about the investment risk he would bear. Which of the following would guarantee him that he would be able to withdraw funds from the annuity equal to his premiums regardless of the separate account performance? O a. a crisis waiver rider b. an accelerated death benefit rider c. a guaranteed minimum withdrawal benefit rider d. a fixed account rider NEED HELP AS SOON AS POSSIBLE please please help!! and if you could show work too that would be amazing!!! I just need the function the justification for both answers please help Find x so that a is parallel to b. state the converse used Analyzing Financial Statement Data Presented below are summary financial data from the Bristol-Myers Squibb annual report. Using the ratio definitions from Exhibit 4.6, calculate the following ratios for Year 1 and Year 2. (amounts in millions) Year 1 Year 2 Balance sheet Total assets $30,435 $28,138 Shareholders' equity 10,202 11,208 Income statement Net sales $19,380 $19,207 Net income 2,388 3,000 Round all answers to two decimal places. Year 1 Year 2 96 96 96 96 a. Return on equity b. Return on assets (levered) C. Return on sales (levered) d. Total asset turnover e. Financial leverage 96 96 JAB Consulting received a promissory note of $11,500 at 9% simple interest for 15 months from one of its customers. After 6 months, Grove Isle Bank discounted the note at a discount rate of 6% Calculate the proceeds (in $) that JAB Consulting will receive from the discounted note. (Round your answer to the nearest cent.) FILL IN THE BLANK. if obsolescence were expected to limit the longevity of a protected product, the useful life of a patent might be ___its legal life. multiple choice question. The revival of jansenism, which centered on miracles that allegedly happened at the grave of a jansenist priest, is evidence of what development within french catholicism? .Write a program in aasembly language to take as inputs a list of 5 integers (32-bits) using keyboard, and then display the integers in:(a) reverse order.(b) same order, but the two 16 bits parts of the same integer are swapped.For example, for inputs 1234, 3456, 7890, 1122, 4455, outputs will be: (a) 4455, 1122, 7890, 3456, 1234(b) 3412, 5634, 9078, 2211, 5544 An object increases vert its velocity from 22M/S 236M/S and five seconds. What is the acceleration of the object Greens Sport Shop offers its salespeople an annual salary of $10,000 plus a 6% commission on all sales above $20,000. Every employee receives a Christmas bonus of $500. What are Mr. Cahns total earnings in a year in which his sales amounted to $160,000?(A) $18,900(B) $18,400(C) $19,600(D) $20,100 how many ways can 8 distinguishable books be placed in 5 distinguishable shelves so that each shelf contains one book You compute the Duration for ChapHop, Inc and find it to be 4.1.Analysts predict interest rates will go up by 1.5% next year. Ifthis indeed happens, what will happen to the price of the bond? 4y-2n=9,for y please show step by step What factors caused the great depression to spread around the world? select three answers.a. americans stopped buying from overseas nations. b. large numbers of jobless americans moved overseas. c. many countries raised tariffs on imported goods. d. stock markets started to crash in many other nations. e. americans demanded repayment of european loans. 6 MATH CHALLENG Mr. Jacob's class has silent reading for twenty minutes every day after lunch recess. Mrs. Clark's class has silent reading on Monday, Wednesday and Friday for half an hour. In four weeks, how many more minutes will the students in Mr. Jacob's class spend reading than the students in Mrs Clark's class? Select all the correct answersWhich three statements explain how the Berin Wall affected Germans?at helped East Germany's economy founish due to the presence of foreign soldiersseparated many East German workers from their places of employmentDrested in the deaths of individuals trying to migrate to the opposite sidedivided lemiles who lived in different parts of the cityDt created economic difficulties for West Germany under Soviet ruleReset we have not visited jupiter to collect samples, so how do we know what the atmosphere is composed of?