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# Volume of a Cube

GRE-MMLEQJ

The surface area of a cube is 216 square units. What is the volume?

A

$6 \text{ units}^3$

B

$18 \text{ units}^3$

C

$36 \text{ units}^3$

D

$216 \text{ units}^3$

E

$512 \text{ units}^3$