Which sequence of rigid transformations will map the preimage ΔABC onto image ΔA′B′C′ ?
A.
a reflection across the x-axis, a translation 8 units right, and then a reflection across the x-axis
B.
a translation 4 units down and 10 units to the right
C.
a reflection across the line y = x followed by a rotation 90° counterclockwise
D.
a rotation 180° clockwise followed by a reflection across the x-axis