Fill in the missing reasons for the following two-column proof for the following information. Given: B is the midpoint of segment AC; C is the midpoint of segment BC
Prove: AB = CD
Statement
Reason
B is the midpoint of segment AC; C is the midpoint of segment BC 1.?
AB = BC; BC = CD
2.?
AB = CD
3.?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]