Answer: 147 square feet.
Step-by-step explanation: 7x7x3= 147 square feet.
A(b-c)=ab-ac
(1/7)(1/3h-1/2)=(1/7)(1/3h)-(1/7)(1/2)=1/21h-1/14
now we gots
6 and 1/7+1/21h-1/14
rearange
6 and 1/7-1/14+1/21h
make common denom which is 14
6 and 2/14-1/14+1/21h
6 and 1/14+1/21h
I believe the answer is 2/3n
Answer:
21
Step-by-step explanation:
33-12=21