What is the median of the data:10,20,30,40,50,60,70,80,90.

Astudent simplified a rational expression as shown.

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

Which inequality has a dashed boundary line when graphed ?