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If the point $(3, 11)$ is rotated $90^\circ$ counterclockwise about the origin, what are the coordinates of the new point?

If the point $(6, 3)$ is rotated $180^\circ$ counterclockwise about $(2,9),$ what are the coordinates of the new point?

If the point $(2, 9)$ is rotated $90^\circ$ counterclockwise about $(1,1),$ what are the coordinates of the new point?

After counterclockwise rotation by $270^\circ$ about $(1, 2),$ the coordinates of the point changes to $(5, 4).$ What is the point before rotation?

If the point $(8, 3)$ is rotated $270^\circ$ counterclockwise about the origin, what are the coordinates of the new point?

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