How do you get 27 only using the numbers 1,2,3,4

Classify the following triangle check all that apply

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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?