Question 1193019
Are the following possible? If so, how?

A. For exactly one line to be determined by three points.
Only if the 3 points are colinear, which is to say they're on the same line.
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B. For exactly two lines to be determined by three points.
Only if they are not colinear.
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C. For more than one plane to contain three given points.
If the 3 points are colinear, an infinite # of planes can contain 3 points.