5. What is an equation of the line in slope-intercept form? m = 2/7 and the y-intercept is (0,-12)

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

Ineed to know the answer to this algebra question.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c