40
8x5=40
10x4=40
Hope this helps
Answer:

Step-by-step explanation:


Volume of rectangular prism = l*w*h

Answer:
c
Step-by-step explanation:
3 and 3/7 ok hope it helps
Answer:
960 cubic centimeters
Step-by-step explanation:
Base area is area of triangle: b*h*1/2
= 12*8*1/2 = 48
Base area times height is 48*20 = 960
We need more info or a pic