Answer:
$25
Step-by-step explanation:
30?
30pi = 2pi r
30pi / 2pi = 15
15 = r
double the radius to get the diameter
15)2 =30
Answer:
It diverges.
Step-by-step explanation:
We are given the inetegral: 

So it is divergent.
Answer:
a) b ≈ 100
b) m ≈ 30
Step-by-step explanation: