What does the letter m represents in the problem 2m+18> -4 and how to solve it step by step

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

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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