36 i guess ha please that not right
Looks like 14.4 because you have to add them all together and divide by the total numbers
(20+22+10+5+15)/ 5
Answer = a
Explanation- A cube is a 3D figure and each face would be a square since it is a cube. Since each side is a square all the sides are the same Width, Length, and height. Therefor you would be multiplying whatever number your have by itself 3 times because the formula would be Length x Width x Height