What is the image of ( -12 ,12 ) after a dilation by a scale factor of 1/4 centered at the origin?

Can someone me with my hwplz(only the circled ones)

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

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%