true
true
True.
YES!
No. If the four points are coplanar, they determine only one plane!
true
true
non-coplanar points
Yes, since any line can be contained in a plane.
Coplanar Points are points that lie on the same line.
3 coplanar points may or may not be collinear. 3 collinear points must be coplanar.
Points that are coplanar are on the same plane.