The edge of a cube is 4a cm. Find its surface?	Pick
A) 24 a 8	B) 24 a 4	C) 96 a 2	D) 24 a 2	E) 24 a 7

Rationale: "6 a 2 = 6 * 4 a * 4 a = 96 a 2 answer : c"
Answer: C