Miranda has earned scores of 20, 22, 18, and 24 on her last four math quizzes. what score will she need to earn on the fifth quiz in order to have a mean score of 20?

22

20

18

16

Find the values of y: 3y^3(y^2+ 2/3y)=0

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Plz ( true - false) all triangles have interior angles whose measure sum to 90.