Least common multiple of 8 and 8

Plz heeeeeeelp plz give me the answer

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

What is coefficient of the term of degree of degree 5 in the polynomial below