Answer:
Step-by-step explanation:
y = - r + 2
Answer:
1) 8
2) 42
3) 4
4) 17
5) 6
7) 60
Step-by-step explanation:
The correct answer is always. Co-planar means that they are on the same plane. If a line is on a different plane than another line, then they cannot intersect. That eliminates the other two options.