¡¡¡¡¡ 15 points ! for each of the following situations, find a solution for the variable. show all of your work and use complete sentences to explain the solving process that you used to find a solution for the equation or inequality. 1. 4 + x = 7 2. -9x > 27 3. 1/4 x ≤ -3 4. 6 = 3x - 9 5. x + 4 < 1 6. x/2 + 3 = -5 ¡¡¡¡¡ i really need !

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?