Will give brainlist for right answer me

Use the distributive law to multiply. 3(4x + 5y + 6)

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?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test