What is 400+1000,000=what

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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?

Triangle knm is what is true about the sides of knm