What is the value of -9·2.2?

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

Icould really use some with this question.

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose