Click the picture above and please help me answer this. I really need help.

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?

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

Use long division to indentify (12xto the second power+15x-8)divided by 3x