If the length of the side of a square is 3×-y what is the area of the square in terms of x and y

Polynomial that can be factored as (3x-4)(3x+4)

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Find the domain of the following expression: 1/(√x)-2