GRE
$$(\frac{1}{2})^{-1}$$
$$(-2)^{-1}$$
The median of Ann, Bob, and Celia's earnings
The average(arithmetic mean) of Ann, Bob, and Celia 's earnings
x
-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
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