Step-by-step explanation:

Answer:
Undefined
Step-by-step explanation:
The slope on the graph is horizontal so there's no slope and the answer is just y = 3
For a line to be perpendicular to a horizontal line, it is going to be a vertical line.
All vertical lines have an undefined slope.
Answer:
c
Step-by-step explanation:
<span>measuring the heights of every fiftieth person on the school roster to determine the average heights of the boys in the school
wrong as should be boys only
</span><span>calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment
is the ans</span>