Question

Planes Q and R are parallel planes. Plane Q contains line a. Plane R contains line b. If a third plane could be drawn which contains both lines a and b, then lines a and b must be parallel. lines a and b cannot be parallel. lines a and b must be skew. lines a and b must be perpendicular.

Answer 1

The correct answer is:
lines a and b must be parallel

See the attached figure.

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Note:
1. skewed lines cannot be in one plane
2. If a and b are perpendicular, they shoulde be in plane Q or R

Answer 2

The answer is:

A) lines a and b must be parallel.

Hope it helps!