1. What is the volume of a cube if its edge is (k + 4) centimeters?

A. k3 + 12k2 + 18k + 64 cubic centimeters
B. k3 + 12k2 + 8k + 64 cubic centimeters
C. k3 + 4k2 + 18k + 64 cubic centimeters
D. k3 + 12k2 + 18k + 16 cubic centimeters​