Anyone know the answer?

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?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply