21,44 to the nearest 10 rand​

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

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.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?