Please help, ive been struggling with this all day

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

See attachment below and find the equivalent of tan(∠qsr)

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .