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.
Answer:

Domain: 
Step-by-step explanation:
Given

Required
Determine f(x) and its domain
To determine f(x), we replace 5x with x in f(5x)
So, we have:


Take LCM



To get the domain, we set the denominator as



Answer:
Step-by-step explanation:
110_5
Answer:
i dont have twitch rn but when i do i have ur acoount in mind
Step-by-step explanation:
We would subtact 3 from both sides allowing the equation to simplify to -8c=32
We would then divide both sides by -8 to equal -4
The final answer C=-4