What is the slope of a line perpendicular to the line whose equation is 2x-y=52x−y=5. Fully reduce your answer.

Pls the last one and it has to be like number 6

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20

What is the midpoint of np if n (1,9) and p (-5-1)