Answer:
Step-by-step explanation:
y=2x−1 is neither parallel nor perpendicular to line a; y=−2x+5 is parallel to line a; y=1/2x+7 is perpendicular to line a.
What are the answer options?
It's a stretch, but I'm gonna guess Y = 12.
Sum means to Add.
So the sum of d and 9 would be d + 9
