What is the solution to this system of linear equations?

x − 3y = −2

x + 3y = 16

(7, 3)
(3, 7)
(−2, −3)
(−3, −2)

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?