Answer:
area of circle=πr²=π50²=2500πunit²
$16,500 ≤ $350m + $7,250
m = month
m ≥ 37
the answer is D
Step-by-step
14ab^3/7a^-2b^-1
= 14a^3b^4/7
=2a^3b^4
31
Step-by-step explanation: