A circle has an area of A = 491 cm2 and a center of (0, -5). What is the standard form equation of this circle?
O x2 + (y – 5)2 = 49
O x2 + (y – 5)2 = 7
Ox2 + (y + 5)2 = 49
O x2 + (y + 5)2 = 7

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.

Find the missing dimension extra points

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room