What is the slope intercept form for number 2?

Ineed with number 17 i don’t get it at alll

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?