Please help me with #10 DUE TODAY please

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2