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Which of the following gives the area of triangular region PQR in the figure above?


In the equation above, what is the value of x?

x=_____
Approximately what was the ratio of the area of the non federal rural land in Maryland to the total area of the nonfederal rural land in the contiguous United States in 1997?
Of the six states listed in the table, how many contained more than 2 percent of the nonfederal development land in the contiguous United States in 1997?
Which of the following is closest to the percent of federal land in the contiguous United States that was part of California in 1997?
The sales tax on clothing items in Country A is 25 percent of the purchase price of the item, and the sales tax on clothing items in Country B is 20 percent of the purchase price of the item. If the two countries have the same currency and if the price of a certain clothing item is the same in both countries, what percent greater is the amount of sales tax on the clothing item purchased in Country A than the amount of sales tax on the clothing item purchased in Country B?
A certain box is in the shape of a cube. If the total surface area of the box is 384 square feet, what is the total length, in feet, of all the edges of the box?
The probability that event R will occur is 0.35, and the probability that events R and T will both occur is p. What is the least possible value of p?
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.
Q is a set of 36 different numbers with the property that if p is in Q, then -p is also in Q. The number 25 is in Q.

Quantity A

The range of the numbers in Q

Quantity B

40


The circumference of circle C is equal to the perimeter of square S.

Quantity A

The ratio of the area enclosed by C to the area enclosed by S

Quantity B

1


In the xy-plane, S is the set of all points (c, d) for which c and d are both integers.

Quantity A

The number of points in S that are a distance of 2 units from the point (7, 5

Quantity B

4


$$x^{2}=4$$ and $$y^{2}=1$$

Quantity A

$$(x-y)^{2}$$

Quantity B

3


a and b are integers, and $$a^{2}+b^{2}=100$$.

Quantity A

a+b

Quantity B

10


The electric power P in a resistor is directly proportional to the square of the electric current I flowing through the resistor. For a given resistor, if the power is 18 watts when the current is 3 amperes, what is the power, in watts, when the current is 4 amperes?
A committee of 4 people consisting of 2 men and 2 women is to be selected from 5 sets of fraternal twins, where each set consists of one man and one woman. If only 1 person from each set of twins may be selected for the committee, what is the total number of distinct committees that can be formed?
a+b=5

Quantity A

$$(a+\frac{b}{4})+(\frac{a}{4}+b)$$

Quantity B

6


When the positive number k is multiplied by itself, the result is $$\frac{1}{2}$$ of k.

Quantity A

k

Quantity B

$$\frac{1}{4}$$


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