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题目内容
$$0 \lt s \lt t$$

Quantity A

$$\frac{s}{t}$$+0.4

Quantity B

$$\frac{5s+2t}{5t}$$
The average (arithmetic mean) of the 4 integers q, r, s, and t is 0.

Quantity A

The average of the 4 integers q+10, r, s, and t

Quantity B

The average of the 5 integers q, r, s, t, and 10


Point O and point X are the centers of the two circles in the figure. If the length of arc PSX is 6π, what is the circumference of the circle with center O?


The design shown in the figure consists of squares and is created in several steps. In the first step, a square measuring 1 inch on each side is drawn. In the second step, a 1-inch-wide border is drawn around the square, creating a larger square. In each subsequent step, a 1-inch-wide border is drawn around the largest existing square. What is the number of steps that will be needed in order to create a design in which the largest existing square measures 47 inches on each side?

_____ steps
If $$n$$, $$k$$, and $$r$$ are positive integers such that $$n^{k}=10r+3$$, which of the following could be the value of $$n$$?
$$x^{3}$$ > $$x^{5}$$

Quantity A

x

Quantity B

$$x^{3}$$

Quantity A

$$(\frac{2^{3}}{3^{2}})^{4}$$

Quantity B

$$(\frac{2^{-3}}{3^{-2}})^{-4}$$
x + 2y = 12 and 2y > 7

Quantity A

x

Quantity B

y
The length of a line segment connecting two points on circle C is 1.

Quantity A

The area of circle C

Quantity B

π
a < 0

b < 0

Quantity A

In the xy -plane, the slope of the line containing the points (a, b) and (0, 2)

Quantity B

In the xy -plane, the slope of the line containing the points (a, b) and (2, 0)
There are n different values of x that satisfy the equation (x-1)(x+5)=-9.

Quantity A

n

Quantity B

1

Quantity A

The standard deviation of the 3 numbers x, x+1, and x+70

Quantity B

The standard deviation of the 3 numbers x+ 10, x+11, and x+80
The average (arithmetic mean) price of 8 used books is $1.55.

Quantity A

The total price of n of the 8 books (n > 0)

Quantity B

($1.55)n


In the figure above, what is the value of x?
A survey conducted by the department of motor vehicles on a sample of 200 car owners revealed that 15 percent of the sample had an expired driver's license, 10 percent had one or more outstanding parking tickets, and 78 percent had neither an expired driver's license nor any outstanding parking tickets. How many car owners in the sample had both an expired driver's license and one or more outstanding parking tickets?
$$\frac{2y-5}{6}$$ - $$\frac{y-7}{3}$$=
78, 82, 73, 81, 95, 92, 86, 90, 92

The 9 numbers listed are the highest temperatures, in degrees Fahrenheit, in a certain city on 9 consecutive days. The relationship between temperature in degrees Fahrenheit F and temperature in degrees Celsius C is given by the formula $$C=\frac{5}{9}(F-32)$$. What is the median of the 9 temperatures in degrees Celsius?

_____℃


From 1995 to 2001, approximately what was the percent increase in the worldwide coffee bean production?


If Brazil's coffee bean production in 1997 was 2/3 of its production in 2001, then Brazil's 1997 production was approximately what percent of the worldwide coffee bean production in 1997?


In 1991 Vietnam produced 1.5 percent of the worldwide coffee bean production. If the worldwide coffee bean production in 1991 was 15 percent greater than the worldwide coffee bean production in 1995, which of the following is closest to the amount of coffee beans produced by Vietnam in 1991, in millions of kilograms?

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