Answer:
7. Not enough information to determine congruency
8.congreunt by AAS
Explanation:
7. We know one side and the vertical angles between the triangles. That is not enough to determine the triangles are congruent
8. We know one angle and one side are congruent. The angle between are vertical angles and they are congruent. We know two angles and one side, so they are congruent by AAS