Accounting please answer

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.