Math help please??????!!!!!!!!!

[tex]2 \times (8 \times 1 + 1 \times 1 + 1 \times 1) = 20[/tex]
The total surface area is 20
Answer:
The answer is 34 mi^2
I hope this helps!
Step-by-step explanation:
you add the surface area, which is found by multiplying L x W, and get on 4 sides 8, and 2 sides 2, so
8 x 4=32
32+2=34