CAN SOMEONE HELP REALLY FAST IM ON A TIMED TEST!!!!!The volume of a cube is 64 cubic inches. Which expression represents s, the length of a side of the cube? Recall the formula Cube volume = s cubed. s = RootIndex 3 StartRoot 64 EndRoot s = 64 + 64 + 64 s = StartRoot 64 EndRoot s = 64 times 64 times 64