The points A(15, 8) and B(10,7) are on a straight line. Which of the following is the slope of the line?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?