GRE

x

4

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

144

c

d

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

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

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

The average(arithmetic mean) of Ann, Bob, and Celia 's earnings

-2

The perimeter of △ABO

The length of arc BCD

The least positive integer by which 4,500 can be multiplied so that the resulting product is the cube of an integer.

6

3x+4y

8

25000 +道题目

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