Rewrite the expression by using grouping symbols. 7 (x-20)

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?

Which number line correctly shows 0.8 + 0.3?

What is the equation of a line that passes through points (0, 4) and (-4,-8)?