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If p≠1, which of the following must be negative?
Among $$16$$ textbooks purchased by a bookstore, each textbook was either a mathematics textbook or a chemistry textbook, and each textbook was either new or used. Of the mathematics textbooks purchases, $$\frac{1}{2}$$ were used. Of the chemistry textbooks purchased, $$\frac{2}{3}$$ were used. Which of the following could be the total number of textbooks purchased that were used?

Indicate all such numbers.
For a list of 10 different numbers, the average (arithmetic mean) of the numbers is 22 and the range is 50. If both the least number and the greatest number are removed from the list, then the average of the remaining numbers is 20. What is the greatest number in the list of 10 numbers?
The first term of an infinite sequence is 4, and each term after the first term is 7 greater than the preceding term. What is the 64th term of the sequence?
Five lists of data with 20 data values in each have arithmetic means $$a_1, a_2, a_3, a_4$$, and $$a_5$$ and medians $$m_1, m_2, m_3, m_4$$, and $$m_5$$,respectively.

Quantity A

The median of $$a_1, a_2, a_3, a_4$$, and $$a_5$$

Quantity B

The arithmetic mean of $$m_1, m_2, m_3, m_4$$, and $$m_5$$


z=x+2y, where x and y are integers; 30 ≤ x ≤ 39; and 20 ≤ y ≤ 29.

Quantity A

The number of possible values that could be the tens digit of z

Quantity B

4






Three different television models—$$K$$, $$N$$, and $$P$$—are for sale at a local store. The cost of model $$K$$ is $$20$$ percent greater than the cost of model $$N$$, and the cost of model $$N$$ is $$25$$ percent greater than the cost of model $$P$$. The cost of model $$K$$ is what percent greater than the cost of model $$P$$?
How many positive three-digit odd integers less than 800 have a tens digit equal to 2?
On the first day of work for a certain task, $$\frac{1}{3}$$ of the work was completed. On the second day of work for the task, $$\frac{1}{4}$$ of the work that remained was completed. What fraction of all the work for the task remained to be completed after the second day?

Quantity A

$$89!-88!$$

Quantity B

$$(87!)(88)^{2}$$


Certain rectangular containers can each hold a maximum of 3 cubic feet of mulch. (1 yard =3 feet)

Quantity A

The maximum number of cubic yards of mulch that 100 of these containers can hold

Quantity B

13




Of the 1,200 seniors at a certain college, one-quarter live on campus and the rest live off campus. Three-quarters of the seniors at the college own a car. Which of the following statements must be true?
A circle has an arc of length 16, which is 20 percent of the circumference of the circle.

Quantity A

The area of the circle

Quantity B

$$\frac{1600}{π}$$


Quantity A

$$\frac{2^{27}-2^{24}}{8^{27}-8^{26}}$$

Quantity B

$$2^{-54}$$




Based on the information given, which of the following statements are true?

Indicate all such statements.
In 1998 the yearly expenses to run a certain small business were x dollars. In 1999 the yearly expenses to run the business increased by 10 percent of the 1998 yearly expenses. In 2000 the yearly expenses decreased by 5 percent of the 1999 yearly expenses.

Quantity A

The percent increase from 1998 to 2000 in the yearly expenses to run the business

Quantity B

5%


Evelyn owns two different properties with areas of 1.5 acres and 0.5 acre, respectively. What is the total area, in square feet, of the two properties combined? (1 acre = 4,840 square yards, 1 yard = 3 feet)
A rectangular garden has a diagonal that is 26 feet long. If one side of the garden is between 8 feet and 12 feet long, which of the following values could be the area, in square feet, of the garden?

Indicate all such values.
One explanation for the (i)____________ science in late antiquity has to do with the (ii)____________ of science and technology: given the prevailing belief that natural knowledge should not be applied to practical ends, the incentive for scientists to search for practical applications of abstract theories of nature was (iii)____________.
It can be inferred from the passage that the Chinese emperor and the bureaucracy differed with respect to the

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