Answer:
31.98
Step-by-step explanation:
78 * .41 = 31.98
The height of the prism is 8 cm.
2*X*4=64
8X=64
X=8
A = L x W
20 x 20 = 400.
400 x 8 = 3200
x=12.6
5x -9 / 7
5x= -9x7
5x= -63
x= -63/5 = -12.6
x= -12.6
