please help its simple

Answer:c
Step-by-step explanation: So if angle 8 and 15 are supplement then its same side interior. because they are on the interior
Answer:
C
Step-by-step explanation:
Same side interior angles are two angles that are on the same side of the transversal and on the interior of (between) the two lines.
Same Side Interior Angles Theorem: If two parallel lines are cut by a transversal, then the same side interior angles are supplementary.