Answer:
6+(5 x 2)+5=21
the way you wrote this was kinda weird so I don't know what you expected as an answer
Step-by-step explanation:
5 x 2=10
10+6=16
16+5=21
21
C.) 1600 pi cm3
When you do 10^2 you get 100 and you multiply that by the height so 16 and you get 1600.
It’s plus 9 so the next number should be 32