Use a=

r^2 (r represents your radius of 4 feet)

(4^2)
Answer = 16

^2
Answer:
if
and
.
Step-by-step explanation:
We are given
and
.
We are asked to find
.
means 

You only have one pair of like terms, that is the constants.


Answer:
I dont know
Step-by-step explanation:
only doing it for points
Answer:
14a^2(2a^6+1)
Step-by-step explanation: