14)
2(-3)² => 2(-3)(-3) => 2*9 = > 18
27+18-11 => 27 + 7 = > 34.
16)
17)
Answer:
28.26
Step-by-step explanation:
A=3.14 r^2
3.14x3x3
3.14x9
Hope this helps! :)
(Please don't hate on me if its wrong)