Combine like terms to create an equivalent expression.

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

What expression is equivalent to 1/2(2+3x-6)

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