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题目内容
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
$$Y_1, Y_2, Y_3,...,Y_i,...$$

The sequence shown is defined by $$Y_1$$=5 and $$Y_{i+1}=\frac{1}{5}Y_i$$ for each positive integer.

Quantity A

$$Y_6$$

Quantity B

$$(25^{5})Y_{16}$$
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?
In the 2000 school year, High School X and High School Y had the same number of teachers. From the 2000 school year to the 2001 school year, the number of teachers in High School X increased by 12 percent and the number of teachers in High School Y decreased by 8 percent. In the 2001 school year, the number of teachers in High School X was approximately what percent greater than the number in High School Y?
Each of 12 books on a shelf has a single classification as Mathematics, Science, or English. At least 1 book is classified as Mathematics, at least 3 books are classified as Science, and at least 3 books are classified as English. There are an odd number of books classified as Science and an odd number of books classified as English. Which of the following could be the number of books classified as Mathematics?

Indicate all such numbers.
The five points (0, 2), (2, 3), (4, 2), (3, 4), and (5, 0) lie on the graph of the function y=f(x) in the xy -plane. What is the value of 3f(2)+1?
The estimated number of on-line shoppers for 1996 is approximately what percent of the estimated number for 2001?
For 1998, if the total amount of online sales was 6.0 billion dollars, which of the following is closest to the average estimated amount spent per online shopper? (1 billion = 1,000 million)
From 2001 to 2002 the percent increase in the estimated number of on-line shoppers is approximately which of the following?
On a 60-question true-false test, Marcy answered correctly all questions she understood, and she guessed randomly on all questions she did not understand. She answered 52 questions correctly on the test. How many questions did Marcy most likely understand?
If $$15 \leq r \leq 18$$ and $$30 \leq s \leq 36$$, what is the greatest possible value of the average (arithmetic mean) of $$\frac{1}{r}$$ and $$\frac{1}{s}$$?


In the figure, what are the coordinates of point A?
Which of the following is equivalent to $$(\frac{1}{3})^{-2}$$+ $$(\frac{1}{4})^{-2}$$?
$$35 \lt 5y \lt 50$$

$$12 \lt y+6 \lt 15$$

Quantity A

y

Quantity B

8
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

$$\frac{1600}{π}$$


The figure shows a black and white square tile from a ballroom floor. Both of the black sections are squares, and x > y.

Quantity A

The ratio of the sum of the areas of the black sections to the sum of the areas of the white sections

Quantity B

$$\frac{x}{y}$$
In the xy -plane, the points (2, 7) and (8, 3) are the endpoints of a line segment that is the hypotenuse of a right triangle.

Quantity A

The x -coordinate of the vertex at the right angle of the triangle

Quantity B

The y -coordinate of the vertex at the right angle of the triangle
The probabilities that independent events A and B will occur tomorrow are 0.60 and 0.80, respectively.

Quantity A

The probability that A or B or both will occur tomorrow

Quantity B

0.92

Quantity A

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

Quantity B

$$2^{-54}$$

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