Can’t someone smart help me with this question plz help

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Which of the functions below could have created this graph?

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%