"Collinear" means "lie on the same straight line".
So a single point can't be collinear or non-collinear, because there's nothing for it
to be the "same" as.
Two points are always collinear, because you can always draw one straight line
between two points.
When you get to three points, then there's a question. Any two of them make
a straight line, and then the third one may or may not lie on the same line. If it
does, then the three points are collinear. If it doesn't, then they're not.
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point B lies in plane U
A plane
If you are talking about straight lines, the answer is NONE, because that is what noncollinear means. If curves are allowed, then the answer is infinitely many.
The fixed point that is located in the center of a circle and is used as the guiding point to draw it is called the "point of origin".
Three.