The circumference of a circle is 15. use the formula 646-03-07-00-00_files/i0260000.jpg to find the radius, r. use 3.14 as an approximation for and round your answer to the nearest hundredth. a. r = 5.21 c. r = 4.78 b. r = 2.39 d. r = 3.17

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?