5/x=2/9 what is the equation using cross products

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 statements are true about additional information for proving that the triangles are congruent check all that apply

Could someone me with this question i’ve been stuck on it for 20 minutes