Kwan uses a balance scale to solve an equation, as shown. Which value of x best represents the solution to the equation?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

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 of the following transformations will always produce a congruent figure?