Is it ever possible that |x| = -x and can you explain please

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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?

Afootball is throw by a quarterback to a receiver