Answer:
8
Step-by-step explanation:
Vertical angles are congruent, so 9n=8n+8. It follows that n=8.
hmm, i think the answer is B, not sure if i am right tho..,
y - 9 = -2(x - 1)
y - 9 = -2x + 2
y = -2x + 11
the answer is A I hope this helps
