It's C)12 squared because you have to look outside of the box
Answer:
3 cans
Step-by-step explanation:
A = lw
a = 20 x 8 = 160
a = 40 x 8 = 320 
Together this is 480 
I would need 3 cans.
Answer:8 shaded in size 1/4 the area 1/2
Step-by-step explanation:if wrong sorry.
Answer:
It equals n=72
Step-by-step explanation:
7/8 n=63
7/8 n=63
7n/8=63
8. 7n/8=8. 63
7n=504
7n/7=504/7
n=72
40 right? Because base times height divided by two is area of a triangle