Use the lists of factors to answer the question. factors of 9: 1, 3, 9 factors of 15: 1, 3, 5, 15 factors of 21: 1, 3, 7, 21 factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

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.

Ineed i been stuck on this question since yesterday

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