Using your algebra skills, how can you rearrange the formula for the volume of a cylinder, v = πr2h, to find an expression for height h when you're given r and v? remember to perform the same operation on both sides of the equation.

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?