how many quarts of water must be added to 40 quarts of 5% acid solution to dilute it to a 2% solution

Acylinder has volume 45π and radius 3. what is it’s height?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?