Is important HELp

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.

The area of square garden is 300m squared. how long is the diagonal?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth