Ineed assistance in math asap! can someone ?

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

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest