solve for each missing side in the the special right triangle.

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

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Identify the number as a rational or irrational.explain. 127