Round your answer to the tenths place if necessary

Help me please:(

Which graph represents y=^3 sqrt x+8-3 ?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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?