Answer:
800 sq in
Step-by-step explanation:
There are 6 sides:
2 are 20 x 8, which each have an area of 160
2 are 20 x 10, which each have an area of 200
2 are 10 x 8, which each have an area of 80
(2 x 160) + (2 x 200) + (2 x 80)
880 sq in (assuming all sides are closed and he is painting them all)
I can't see all of the math problems so
18^4 this is another way to show an exponent
You have to find LCD (lowest common denominator) in this case it will be

:

Answer: C