How can you prove that line 1 perpendicularly bisects lines 2 and 3 if 2 and 3 are parallel

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)