May you me with this one? quickly? ?

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

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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.