Find the roots 3x^3-13x^2-26x-24

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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?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi