Karl is hungry, so he eats a hamburger and does not feel hungry anymore. Karl's hunger can best be described as a(n) a. drive. b. instinct. c. incentive. d. reflex. e. extrinsic reward.

El Tapitio purchased restaurant furniture on September 1, 2018, for $45,000. Residual value at the end of an estimated 10-year service life is expected to be$6,000. Calculate depreciation expense for 2018 and 2019, using the straight-line method, and assuming a December 31 year-end.

Identify the accounting concept or principle that gives the most direction on how to account for each of the following situations:

a. Salary expense of $48,000 is accrued at the end of the period to measure income properly. b. March has been a particularly slow month, and the business will have a net loss for the second quarter of the year. Management is considering not following its customary practice of reporting quarterly earnings to the public.
c. A physician performs a surgical operation and bills the patient’s insurance company. It may take three months to collect from the insurance company. Should the physician record revenue now or wait until cash is collected?
d. A construction company is building a highway system, and construction will take four years. When should the company record the revenue it earns?
e. A utility bill is received on December 27 and will be paid next year. When should the company record utility expense?

How does pH affect enzyme activity?

Leptin, a protein that causes hunger when Its levels are low, is secreted by a. fat cells. b. the pituitary gland. c. the stomach. d. the small intestine. e. the large intestine.

Ms. Lewis is a chemist mixing two solutions together. A chemical reaction takes place, and the solution becomes warm. Which statement best describes what has happened? A. Energy has been created in the form of thermal energy.
B. Energy has been transformed from one form to another. C. More energy has been created than has been destroyed. D. The chemical energy of the solution has been destroyed.

Peyton sits by herself most days at lunch because her friends are refusing to speak to her. Her friends are demonstrating. a. grit. b. narcissism. c. empathy. d. positive reinforcement. e. ostracism.

Find the state tax withheld per pay period using the exemptions and tax rates below:

$$\begin{array}{c}\\ \text{State Tax} \\ \begin{array}{|c|c|l|} \hline \text { Taxable Wages } & \text { Tax Rate } & \text { Exemptions } \\ \hline \text { First } \$ 1,000 & 1.5 \% & \text { Single } \$ 2,000 \\ \hline \text { Next } 2,000 & 3.0 & \text { Married } 4,000 \\ \hline \text { Next } 2,000 & 4.5 & \text { Each Dependent } 2,000 \\ \hline \text { Over } 5,000 & 5.0 & \\ \hline \end{array} \end{array}$$

Emil Martin is the manager of Brio Restaurant and earns a $30,000 annual salary. He receives his pay weekly, is married, and claims 1 exemption. What is the deduction each pay period from his paycheck for state income tax?

A private industry analyst claims that there is no difference in the salaries earned by workers in the wholesale trade and manufacturing industries. A random sample of 10 wholesale trade and 10 manufacturing workers and their salaries is shown in the table. At $\alpha=0.10$, can you reject the analyst's claim?

a) write the claim mathematically and identify $H_0$ and $H_a$.

b) decide whether to use a Wilcoxon signed-rank test or a Wilcoxon rank sum test.

c) determine the critical value(s).

d) calculate the test statistic.

e) decide whether to reject or fail to reject the null hypothesis.

f) interpret the decision in the context of the original claim.

If a hydrogen atom has its electron in the n = 4 state, how much energy in eV is needed to ionize it?

A company s discount rate is based on what?

Find the intercepts of the equation algebraically. Then adjust the window and scale so that the intercepts can be checked graphically with no further window adjustments.

$$y=0.2 x-9$$

Plot the straight line with the equation in (a) the standard viewing window and (b) the indicated viewing window.

$$20 x+16 y=300 ;[-10,20] \times[-10,30]$$

The mean salaries S (in thousands of dollars) of public school teachers in the United States from 2005 through 2011 are shown in the table.

$$\begin{array}{|c|c|} \hline \text { Year } & \begin{array}{c} \text { Mean salary, } S \\ \text { (in thousands of dollars) } \end{array} \\ \hline 2005 & 47.5 \\ 2006 & 49.1 \\ 2007 & 51.1 \\ 2008 & 52.8 \\ 2009 & 54.3 \\ 2010 & 55.5 \\ 2011 & 57.2 \\ \hline \end{array}$$

(a) Use a graphing utility to create a scatter plot of the data, with t = 5 corresponding to 2005. (b) Use the regression feature of the graphing utility to find a linear model for the data. (c) Use the graphing utility to plot the data and graph the model in the same viewing window. Is the model a good fit? Explain. (d) Use the model to predict the mean salaries in 2020 and 2022. Do the results seem reasonable? Explain.