the entrance to an office building is an arch that the height can be modeled by h= 9 -x^2, where x is the horizontal distance from the center of the arch. both h and x are measured in feet. how wide is the arch at ground level

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?

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

We just started the introduction into circles and i have no idea how to do this.