Answer:
21.....
Step-by-step explanation:
hope this helps
Answer:
a number. 5. b number. 7 fourth one. c number. 1. d number 0
Step-by-step explanation:
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Sure. What do you need help with exactly?
C. 452.16
use formula pir^2
12^2 = 144
144 x 3.14 = 452.16
I used pi as 3.14