Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1 + 1) + (21 + 5/)? (-1 + i) + (21+5i) + 0
-1 + (i + 21) + 5i
(-1 + 21) + (i + 5i)
-(1-i) + (21 + 5i)

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?