Which of the following sequences of transformations will NOT maintain shape's congruence? * a- Reflection over x-axis, followed by rotation 90° clockwise about the origin.
b- Dilation with the factor of 4 followed by translation 2 units up.
c- Rotation 270° counterclockwise, followed by dilation with the factor of 0.3
d- Translation 6 units left and 1 unit up.
e- Reflection over the y-axis followed by translation 1 unit right.
-f Dilation with the factor of 7, followed by translation 6 units down