I would say B .
They are not like terms because they are not all the same
I'm not sure about what exactly your teacher is looking for, but the actual congruency conjecture you would use is:
(angle symbol) 1 (congruency symbol) (angle symbol) 8 - Because they are alternate exterior angles
Step-by-step explanation:
this is all I can find I hope it helps you out us not I'm sorry
Here is my answer, hope to help you