The ornamental design for a sink and mirrorassembly, as shown and described.
FIG. 1 is a perspective view of a sink and mirror assembly showing our design;
FIG. 2 is a front elevation view;
FIG. 3 is a rear elevation view;
FIG. 4 is a right side elevation view;
FIG. 5 is a left side elevation view;
FIG. 6 is a top plan view;
FIG. 7 is a bottom plan view;
FIG. 8 is an enlarged detail section view of FIG. 1; and,
FIG. 9 is an enlarged detail section view of FIG. 2.
The broken-line disclosures in the views represent portions of the sink and mirror assembly in which the claimed design is embodied, which form no part of the claimed design. The additional broken lines are demarcating the enlarged areas and form no part of the clamed design.