What series of transformations would carry trapezoid abcd onto itself? (x + 0, y − 4), 90° clockwise rotation, reflection over the y-axis (x + 0, y − 4), 180° rotation, reflection over the y-axis (x + 6, y + 0), 90° clockwise rotation, reflection over the x‐axis (x + 6, y + 0), 180° rotation, reflection over the x‐axis