GRE

$$x^{y}$$

$$y^{x}$$

The third number in list K

The fourth number in list L

The amount by which the price per bottle of the n bottles Joe bought exceeds the price per bottle of the 2n bottles Ann bought

$$\frac{5}{n}$$ dollars

R(3)+R($$\frac{1}{3}$$)

2R(3)

The perimeter of △ABC

6r

The average (arithmetic mean) of the 8 remainders recorded

3.5

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