Describe what may happen when ripples on a pond encounter a large rock in the water.

Express each repeating decimal as a fraction. $(a) 5 . \overline{23}\quad (b) 1.3\overline{7} \quad (c) 2.1\overline{35}$

If $\int_{0}^{2} f(x) d x=5, \int_{4}^{6} f(x) d x=-2$, and $\int_{0}^{6} f(x) d x=7$, find $\int_{2}^{4} f(x) d x$.

Draw a picture of a standing wave, and label a node and an antinode.

If the amplitude or frequency of a wave increases, the energy of the wave ________

A square has coordinates D(1, 2), E(-1, 2), F(-1, 4), and G(1, 4). If a pair of parallel sides of the square is dilated by a factor of 3, what shape does the image take? What are the perimeter and area of the image?

Which of the following behaviors has the highest risk for spreading HIV? a. shaking hands with an infected person b. sexual intercourse with an infected person c. using a glass used by an infected person d. kissing an infected person

Use a calculator to check the graphs of y = arcsin x, y = arccos x and y = arctan x.

Assume that $\forall x \forall yP(x,y)$ is true and that the domain of discourse is nonempty. Which must also be true? Prove your answer.

$$\exists x\forall yP(x,y)$$

McTaggart-Hicks Investments specializes in low-risk government bonds. Identify each of McTaggart-Hicks transactions as operating (O), investing (I), financing (F), non-cash investing and financing (NIF), or a transaction that is not reported on the statement of cash flows (N). Indicate whether each item increases (+) or decreases (–) cash. The indirect method is used for operating activities.

$$\begin{matrix} \square & \text{a. Sale of long-term investment }\\ \square & \text{b. Issuance of long-term note payable to borrow cash}\\ \square & \text{c. Increase in prepaid expenses}\\ \square & \text{d. Payment of cash dividend}\\ \square & \text{e. Loss of sale of equipment }\\ \square & \text{f. Decrease in merchandise inventory}\\ \square & \text{g. Acquisition of equipment by issuance of note payable }\\ \square & \text{h. Increase in accounts payable }\\ \square & \text{i. Amortization of intangible assets }\\ \square & \text{j. Net income}\\ \square & \text{k. Payment of long-term debt }\\ \square & \text{l. Accrual of salary expense }\\ \square & \text{m. Cash sale of land}\\ \square & \text{n. Purchase of long-term investment }\\ \square & \text{o. Acquisition of building by cash payment }\\ \square & \text{p. Purchase of treasury stock}\\ \square & \text{q. Issuance of common stock for cash }\\ \square & \text{r. Decrease in accrued liabilities }\\ \square & \text{s. Depreciation of equipment}\\ \end{matrix}$$

Over several years, Charles gradually developed schizophrenia. Because of this, the prognosis for recovery is poor. His type of schizophrenia would be referred to as a. acute. b. chronic. c. maternal. d. catatonic. e. positive.

In an obtuse isosceles triangle, what is the largest possible integer degree measure of one base angle? Explain your reasoning.

Choose the word or phrase that best answers the question. What is the term for the property of a material that indicates how much light slows down when traveling in the material? A) pigment B) filter C) index of refraction D) mirage

Calculate the amount of net sales lost to an electronics store with annual sales of $8,359,000 and a shoplifting rate of 3.2 percent.