Show that the two triangles given in the figure below are similar. Help pls i need it

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

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Solve the system of equations y= 3/2 - 1, -x+ y =-3