Answer:
1. 9 pi, 2. 121 pi
Step-by-step explanation:
The formula for circumference is pi d. So for the first question the radius would be three. The you do pi r ^2 for area so 3 times pi squared. Which is 9 pi. For the second you will do the same thing you will do 22 pi divided by 2 which is 11 pi then you will square 11pi and get 121 pi
Answer:
-5, -2, and 0
Step-by-step explanation:
$495.28 I think I'm not sure if I'm right.
Answer
$7
Step-by-step explanation:
10-8= 2
9-2=7
Answer: b) multiply row 1 by -3 and add the result to row 2
Step-by-step explanation: