Melissa let Jill cheat off of her during a history exam last week. Now Melissa is threatening to tell on Jill unless Jill pays her $\$ 50$. Use the decision tree in Figure 9Q-3 to explain whether Jill will pay Melissa to keep her quiet.

Go to one or more stores that sell expensive art. Outline the sales techniques used (point-of-purchase displays, store design, salesperson comments, and so forth). What beliefs regarding consumer behavior seem to underlie these techniques? It is often worthwhile for a male and female student to visit similar stores and talk to similar salespeople at different times. The variation in salesperson behavior is sometimes quite revealing.

Drainee purchases direct materials each month. Its payment history shows that 65% is paid in the month of purchase with the remaining balance paid the month after purchase. Prepare a cash payment schedule for January using this data: in December through February, it purchased $22,000,$25,000, and $23,000 respectively.

Use the following information. A history test covers two chapters. There are $2^{12}$ ways to answer the 12 truefalse questions on the first chapter and $2^{10}$ ways to answer the 10 true-false questions on the second chapter. How many ways are there to answer all 22 questions on the test?

Change each sentence below so that the verbs are in the future tense. Try to use at least two other ways of expressing future time in addition to shall and will.
An instructor from Japan, Mr. Ikeda, offered a fascinating four-week course in the history and cultivation of bonsai, a potted miniature tree.

Choose the correct one of the two verb forms in parentheses in each of the following sentences.

EXAMPLE: Bantu languages, which are (spoke, spoken) by many Africans, have an interesting history. spoken

In fact, the musical quality of many African languages (gived, gave) them an intricacy unsuitable for written alphabets.

Around 600 B.C.E. in the Vedic period of Indian history, a writer named Sushruta found all combinations of $6$ different tastes: bitter, sour, salty, astringent, sweet, and hot. How many total combinations of tastes are possible when taken $1$ at a time, $2$ at a time, etc?

The speed of light is about $186,000$ miles per second. The Milky Way galaxy has an approximate diameter of $6 \times 10^{17}$ miles. Estimate, to the nearest thousand, the number of years it takes for light to travel across the Milky Way. (Source: C. Ronan, The Natural History of the Universe.)

Choose the correct one of the two verb forms in parentheses in each of the following sentences.

EXAMPLE: Bantu languages, which are (spoke, spoken) by many Africans, have an interesting history. spoken

At the speed of sound, his warnings, invitations, and other messages ( flew, flown) over miles of jungle and plain.

Circle the term in parentheses that best completes the meaning of each sentence.

Fifty-two-year-old Sally noticed increasing pain, fullness, and swelling in her abdomen. She had a history of ovarian cancer, so her physician recommended (sentinel node biopsy, pelvic ultrasonography, colposcopy).

A snapshot graph at $t=0 \mathrm{~s}$ of two waves approaching each other at $1.0 \mathrm{~m} / \mathrm{s}$. a. At what time was the snapshot graph taken? b. Draw a history graph of the string at $x=5.0 \mathrm{~m}$ from $t=0 \mathrm{~s}$ to $t=6 \mathrm{~s}$.

Design a booth for a history conference that is titled "Sacrifices Made During World War II." The booth should contain three charts, each listing a different category of sacrifice: Economic, Military/Civilian, and Social. Use text, maps, and illustrations to show the information you would include in this booth.

The price of Stock A at 9 A.M. was $12.73. Since then, the price has been increasing at the rate of$0.06 per hour. At noon, the price of Stock B was $13.48. It begins to decrease at the rate of$0.14 per hour. If the stocks continue to increase and decrease at the same rates, in how many hours will the prices of the stocks be the same? $$ \begin{array}{|l|l|} \hline\text{Market Watch} \\ \hline\text{Stock A +0.06} \\ \hline\text{History: 9 AM} \\ \hline\qquad \quad\mathrm{\blacktriangle $12.73} \\ \hline\text{Stock B -0.14} \\ \hline\text{History: 12 PM} \\ \hline \qquad \quad \mathrm{\blacktriangledown $13.48} \\ \hline\qquad \text{Buy}\\ \hline \end{array} $$

Review the chapter and identify at least 10 important events that took place during imperial China. Try to vary the types of events, including military as well as cultural and civic developments. Then create a time line that shows the sequence of the events or developments and explains their importance. Use presentation software or art supplies to create a time line that includes images and text. Present your work to the class.