Need with # 6-9. show how you got the answers.

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

Solve 2x+y=3 x+y=5 in substitution method

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.