This list shows the coordinates of ARST and its image AR'ST. . R(-4, 6), S(-4, 9), T(-9,6) . R'(2, 6), S'(2, 9), T'(7, 6) Which transformation maps ARST to AR'ST'? a 90 clockwise rotation about the origin . a 180 clockwise rotation about the origin O a reflection over the line y = - 1 a reflection over the line x = - 1 Next