Simplify each expression. 1) 6x – 4 + 3x + 8 2) -8a + (-6) – 10a – 2 +5a 3) 3(2x + 4) 4) –(5y – 2) 5) -5(3n + 1) 6) 1/4 y+1 1/2+2- 1 3/4 y-12me with these questions asap! you! : ) (and i will probably be asking more questions)

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?