Solve systems of equations for x + y, please!!

6x + 2y = 30
9x - 4y = 3

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?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

See attachment below and find the equivalent of tan(∠qsr)