A base of a triangle is three more than three times its height. If the area of the triangle is 315 square inches, find its base and height. (If needed, round answers to 5 decimal places.)

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.