Answer:
The value of r to be out in the given formula is r = 0.048.
Step-by-step explanation:
The rate is given as 4.8%.
Now to put the value of interest in the given formula,
We need the value of r.
r = 
Hence, the value of r to be out in the given formula is r = 0.048.
120 minutes / 30 minutes = 4
3.5 miles x 4 = 14 miles
Answer:
It's volume is of 84.78 cubic inches.
Step-by-step explanation:
Volume of a cylinder:
The volume of a cylinder with radius r and height h is given by:

A cylinder has a height of 12 inches and a radius of 1.5 inches.
This means that 
What is its volume?

It's volume is of 84.78 cubic inches.
The answer is the third one: 32 inches