Find the area of the shaded region: r=sqrt(theta) theta between 0 and -3pi/2

Ineed to know the rule for the sequence. plz !

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.

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract