In Exercises 9 and 10, point B is between A and Con AC. Use the information to
write an equation in terms of x. Then solve the equation and find AB, BC, and AC.
9. AB = 13 + 2x
10. AB = 8x + 5-6
BC = 12
BC = 5x – 9-53
AC = x + 32
AC = 74 - 21