What is the equation of the horizontal line through (1,9)

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

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Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.