Answer:
I think your answer is A. This sounds like a fixed-rate loan.
The formula for finding circumference is Pi multiplied by diameter.
3.14 x 25ft = 78.5 feet
This would round up to 79 feet in circumference.
You plug in -3 for x for 4(-3)+5 =-7
Answer: x=18
First cross multiply 4/3=24/x to get 4x= 3*24
Then simplify: 4x=72; x=18