Answer:
33
Step-by-step explanation:
Answer:
Through any three non-collinear points, there exists exactly one plane. A plane contains at least three non-collinear points. If two points lie in a plane, then the line containing them lies in the plane. If two planes intersect, then their intersection is a line.
Answer:
y = -2
Step-by-step explanation:
Complementary and supplementary.