When applied to polygon QRST, which combination of transformations can be used to show that polygon QRST is congruent to
polygon KLMN?
a
a reflection across the y-axis followed by a reflection across the line y = 1
O
a 180° rotation about point S, followed by a translation of 2 units to the right
C
a translation of 5 units to the right, followed by a translation of 4 units up
d
a reflection across ST, followed by a translation 2 units right and 3 units up