PLEASE HELP DOING A TEST RIGHT NOW ITS MY LAST QUESTION

What graph correctly matches the equation y equals two negative x

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

Which math sentence can be used to determine if the triangle is a right triangle?