Select the two correct sequences of transformations.
A. a translation down 2 units followed by a reflection over the y-axis
B. a rotation 90° counterclockwise about the origin followed by a translation down 2 units
C. a reflection over the y-axis followed by a dilation centered at the origin with scale factor _1_
D. a rotation 270° clockwise about the origin followed by a dilation centered at the
origin with scale factor _1_ 2
E. a dilation centered at the origin with scale factor _1_ followed by a rotation 180° 2
clockwise about the origin
F. a dilation centered at the origin with scale factor _1_ followed by a rotation 90° 2
counterclockwise about the origin