Classify the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape i onto shape ii.

a reflection across the y-axis, followed
by a 90° clockwise rotation about the
origin, and then a translation left 18 units

a 90° clockwise rotation about the
origin and then a translation left 18 units

a 90° counterclockwise rotation about
the origin, followed by a reflection
across the y-axis, and then a
translation left 18 units

a 90° clockwise rotation about the
origin, followed by a reflection across
the y-axis, and then a translation
right 2 units

a 180° rotation about the origin,
followed by a reflection across the
y-axis, and then a 90° clockwise
rotation about the origin

a reflection across the y-axis, followed
by a 90° counterclockwise rotation
about the origin, and then a translation
right 2 units