Rectangle abcd is congruent to rectangle . which sequence of transformations could have been used to transform rectangle abcd to produce rectangle ?
a.
rectangle abcd was rotated 90° clockwise around the origin and then translated 7 units left.

b.
rectangle abcd was rotated 90°counterclockwise around the origin and then reflected across the x-axis.

c.
rectangle abcd was rotated 90° counterclockwise around the origin and then translated 8 units down.

d.
rectangle abcd was rotated 90° clockwise around the origin and then reflected across the y-axis.