"quadrilateral kjfg is congruent to quadrilateral .
which sequence of transformations could have been used to transform quadrilateral kjfg to produce quadrilateral ?
a. quadrilateral kjfg was rotated 90° counterclockwise around the origin and then translated 8 units down.
b. quadrilateral kjfg was reflected across the y-axis and then translated 8 units down.
c. quadrilateral kjfg was reflected across the y-axis and then across the x-axis.
d. quadrilateral kjfg was reflected across the x-axis and rotated 90° clockwise around the origin."