-7 + ? = 12

A) -19

B) -5

C) 5

D) 19

Why do interests rates on loans to be lower in a weak economy than in a strong one

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?