12 and 13 or whatever you can do please explain

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

What is the solution of the systems of equations? y=2/3x+3 x=-2

Can someone me out here number 4 plz