Can someone help please? find the volume of the cylinder

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply