Find the coordinates of the midpoint M. Then find the distance between points S and T.
10. S(-2,4) and 7(3,9)
11. S(6,-3) and 7(7, -2)
12. The midpoint of JK is M(6, 3). One endpoint is J(14, 9). Find the coordinates of endpoint K.
13. Point M is the midpoint of AB where AM = 3x + 8 and MB = 6x - 4. Find AB.