Your question is missing some elements but to answer the question I have to make an assumption.
Assuming that she make a
monthly payment of $75.
The value of an loan at the end of the two year is given by

where PV = $799, r = 7.2% = 0.072 and n = 2 years.
Thus,

If she makes a monthly payment of $75, the number of months it will take her to pay off for her laptop is given by

Therefore, it will take her 13 months to pay off for the laptop.
To create a larger plot you need to dilation it
Answer:
Step-by-step explanation:I am pretty sure that there can be as much as possible depending on how it is written in the word problem.
Answer:
Radius=9
Diameter=18
Step-by-step explanation: