Plz ! write 5^-3 in standard form

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

Can someone answer this question? : )

What additional information could be used to prove abc =mqr using sas? check all that apply.