r = 3ft  so the ? = 3
Step-by-step explanation:
We know that the area of  a circle is equal to π where r is the radius of the circle. Therefore we just have to solve the following equation...
Ï€ = 9Ï€
c 1 hour
step-by-step explanation:
m = 2e
m = 2 so 2 = 2e
1 = e
2x^2+5x+17
your welcome. : )