Pentagon vwxyz is congruent to pentagon v" w" x" y" z" . which sequence of transformations could have been used to transform pentagon vwxyz to produce pentagon v" w" x" y" z"?
a. pentagon vwxyz was reflected across the y-axis and then reflected across the x-axis.
b. pentagon vwxyz was reflected across the y-axis and then translated 2 units left and 4 units down.
c. pentagon vwxyz was rotated 90° counterclockwise around the origin and reflected across the y-axis.
d. pentagon vwxyz was translated 7 units down and then reflected across the y-axis.