A reflection of shape I across the y-axis, followed by a

_ and then a translation left 6 units and down 4 units confirms congruence between shape I and shape II.

Alternatively, a

_ of shape II about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape II and shape I.

For the first blank the options are

A. 90 degree counter clockwise rotation

B. 90 degree clockwise rotation

C. 180 degree rotation

For the second blank the options are the same:

A. 90 degree counter clockwise rotation

B. 90 degree clockwise rotation

C. 180 degree rotation