Parallel line means the same slope
(8-1)/(-17-a)=(1-5)/(a+2)
so a is 18
Answer:
D=100(opposites angles are equal)
A=C=80 (adj angles are supplementry)
Step-by-step explanation:
It should be 0 because the only factor changing is the x value
Answer:
The answer is C.
Step-by-step explanation: