Can someone please help me with this

To prove p is equal to q using an indirect proof what would your starting assumption be?

If lmn=xyz, which congruences are true by cpctc? check all that apply

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz