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GH(Line) bisects CF(Line), CF= 2Y-2 and CD 3Y-11. Find the length of CD
If |CD| = (1/2)|CF|, then |CF| = 2|CD|. Plug the given expressions into the stated relation, and then solve the resulting linear equation
for the value of Y.
If Y is between X and Z, then X,Y, and Z are colllinear, is that always true, sometimes true, or false?
Review the definitions of "between" and "collinear". These should answer your question.