Need help on these two questions ♡

Two lines parallel to a third line are parallel to each other. always sometimes or never

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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