Factor the expression below.
-r – 8

1: -(r + 8)
2: r-8
3: 8 - r
4: 8r

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

If rt is greater than ba, which statement must be true ?