Answer:
$9.50
Step-by-step explanation:
Step-by-step explanation:
12 - 9 + c = 12
-9 + c = 12 - 12
- 9 + c = 0
Therefore c = 9
Hope this helps.!
Step-by-step explanation:
first you have to use the formula for circle is 2πr
22
π= ----
7
and r stands for radius