Pls help w 12, 13, and 14

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.