What are the powers of 4 through 1000

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

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?

What is the slope of the line passing through the points (-5, 7) and (-3,5)?