A)each friend payed $4 for the parking fee.
B)0.08%
The formula for the circumference is:

So to find first radius:

Second radius:

The ratio between them is:
Step-by-step explanation:
Follow my steps. Sorry im bit untidy .
Follow these 1°,2°,3°
Exact Form:
13/12
Decimal Form:
1.083
Mixed Number Form:
1 1/12
Answer:
Natural Numbers, Whole Numbers, and Integers are rational numbers.
Example: {1, 2, 3, -1, -2, -3}
Numbers with repeating decimals and terminating decimals are also rational.
Example: {2.34343434..., 3.45}
If a square root makes a perfect square, then it is rational.
Example: {√16, √100}
Hope this helps.