A) A 180° clockwise rotation about the origin and then a reflection across the x-axis.
B) A translation by the rule (x,y) → (x, y-9) and then a 180° clockwise rotation about the origin.
C) A reflection across the x-axis and then a translation by the rule (x,y) → (x-10, y + 9).
D) A 90° clockwise rotation about the origin and then a reflection across the line y = x.