Answer:
just add up all the squares. answer is 55
Step-by-step explanation:
Answer:
x = 0
Step-by-step explanation:
Answer: C) 
Step-by-step explanation:
First we need to calculate the area of the square base.
This is 7*7 which equals 49 cm squared.
Plug this value into the formula of a square pyramid which will be
, now plug in the h, which is 9 cm.

Now solve.
V = 147 cubic cm.