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题目内容
$$x$$, 80, 58, 72, 94, 60, 63

The median of the 7 integers listed is 65.

Quantity A

$$x$$

Quantity B

65
n is an integer.

Quantity A

$$(1)^{5n}$$

Quantity B

$$(1)^{5+n}$$
27 < |$$x^{3}$$| < 125

Quantity A

x

Quantity B

4
The length and width of rectangle R are $$x$$ and $$y$$, respectively, and the diagonal of R has length 12.

Quantity A

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

Quantity B

144


Points S, T, U, V, and W are equally spaced on the circle with center O.

Quantity A

c

Quantity B

d
A coin collector bought a certain coin for $25, sold it for $35, then bought is back for $45, and finally sold it for $55. What was the gain or loss for the collector on this series of transactions?
The average (arithmetic mean) and the median of a set of 5 numbers is 0, and the set contains at least one number that is not equal to 0. Which of the following statements must be true?
In the rectangular coordinate system, which of the following is an equation of the line passing through the points (5, 0) and (9, 2)?
At a college graduation ceremony, there will be 5 speakers seated in a row of 5 seats on a stage. One of the speakers is the president of the college. In how many of the 120 possible seating arrangements for the 5 speakers is the president seated in the third seat in the row?

_____seating arrangements


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

Indicate all such statements.


What was the percent increase in daily round-trip commute time for City E from 1995 to 2005?


Of the commuters in the sample from City B in 2000, $$\frac{1}{3}$$ commuted by train, If the daily round-trip commute time for those in the sample who did not commute by train was 90 minutes, what was the daily round-trip commute time, in minutes, for those in the sample by train?
Let x, y, and z be positive numbers. If x is 12.5 percent of y and x is 3.125 percent of z, then x is what percent of y+z?

_____%
How many values of x are there such that x and y are integers, x > y > 1, and xy=200？
In the $$xy$$-plane, ten points are selected from the line with equation $$y=0.8x-2.4$$. If the range of the $$y$$ coordinates of the ten points is $$7$$, what is the range of the $$x$$-coordinates of the ten points?
The distance from the center of tree A to the center of tree B is 20 feet. The distance from the center of tree A to the center of tree C is 12 feet. The centers of the three trees are not in a straight line. Which of the following values could be the distance, in feet, from the center of tree B to the center of tree C?

Indicate all such values,

Quantity A

$$(\frac{1}{2})^{-1}$$

Quantity B

$$(-2)^{-1}$$
Ann, Bob, and Celia work al Company C. Bob earns $15,000 more than Ann, and Celia earns $16,000 more than Bob.

Quantity A

The median of Ann, Bob, and Celia's earnings

Quantity B

The average(arithmetic mean) of Ann, Bob, and Celia 's earnings
x is an integer.

x-5 > -8

2x+5 <3

Quantity A

x

Quantity B

-2


O is the center of the semicircle.

Quantity A

The perimeter of △ABO

Quantity B

The length of arc BCD

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