1. Use the following line segment to constructa line segment that is double the length of AB on a new line and label the duplicated segment CD.5 points)
Plzzz I need the answer

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Find the difference (8ab+a+2) - (3ab+6)

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000