I've already solved it but i need to see if its right

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

Can someone me with this problem . show your work .

If 3x+8=3x+8 is it one solution or no solution