Answer:
8. 1.2E
9. 1.2B
Explanation:
8.
Two planes intersect at a line.
Answer: 1.2E
9.
When lines LM and MO intersect, point M is the same point on both lines. Points L, M, and O are not collinear, so they determine a plane.
Answer: 1.2B
5.3m questions
6.9m answers