The answer is 29, I just didn’t on my head right now.
Parallel means lines that never meet, and perpendicular are lines that meet at right angles.
Answer:

Step-by-step explanation:
It could also be 
depending on how the problem is actually set up.
This is in slope-intercept form which is y=mx+b
where m is the slope and b is the intercept
in this equation -7 is m
The correct answer is -7