A 3 dimensional cartoon portrays an expanding sphere that grows

the answer is 0.3175 hope that you ^w^

also you might actually want to put this picture up if you want people to solve it luckily i remember this question

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8