64,-48,36,-27 which formula can be used to describe the sequence

What is the value of x? enter your answer in the box. (cm)

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?

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2