What are the answers to 1, 2, and 3

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

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32