The center of a circle represented by the equation (x+9)^2 + (y-6)^2 =10^2 is what

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 of the following is not a subset of {1,2,3}?

Can anyone me get through my algebra 2 class? the only class i need to graduate..