What is the surface area of the triangular prism shown

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

Somone me i want to know what 18 hours out of 24 hours in a fraction

Which statement justifies why angle ebc measures 90?