Maaaaane I’m sorry I can’t help
Answer:
I think the answer is 2.. I'm sorry if its incorrect.
Step-by-step explanation:
Answer: A and B
Step-by-step explanatiOn correct one is the first page in the sentence scripture
1. Given
2. Definition of Supplementary Angles
3. First Substitution
4. Subtraction property of Equality
5. Second Substitution
6. Exterior Side in Opposite Rays
7. If corresponding angles are equal, then lines are parallel