Triangle rst is congruent to triangle .

which sequence of transformations could have been used to transform triangle rst to produce triangle ?

choose exactly two answers that are correct.

a.
triangle rst was reflected across the x-axis and then rotated 90° clockwise around the origin.

b.
triangle rst was reflected across the x-axis and then reflected across the y-axis.

c.
triangle rst was rotated counterclockwise 90° around the origin and then reflected across the x-axis.

d.
triangle rst was translated 8 units right and then reflected across the x-axis.