(243x^5) ^-6/5
Simplify without a calculator showing work

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.

Which expression gives you the distance between the points (5,1)and(9,-6)

3x = 729 solve for x plz . it's urgent. will mark