A desktop is shaped like a semicircle with a diameter of 28 what is the area of the desktop?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

One integer is 8 times another. if the product is 72, then find the integers

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?