-7+4m = -2m+8 pls help

Answer this question only if you know the 30 points and

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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?