What fraction do you divide first in a word problem.

Whats the name of the vertical axis

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.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*