The ornamental design for a cart, as shown and described.
FIG. 1 is a perspective view of a front left corner of a cart showing our new design.
FIG. 2 is a perspective view of the front of the cart of FIG. 1 following rotation in a counterclockwise direction of the cart from the view of FIG. 1.
FIG. 3 is a perspective view of the front right corner of the cart of FIG. 1 following continued rotation of the cart from the view of FIG. 2.
FIG. 4 is a perspective view of the right side of the cart of FIG. 1 following continued rotation of the cart from the view of FIG. 3.
FIG. 5 is a perspective view of the back right corner of the cart of FIG. 1 following continued rotation of the cart from the view of FIG. 4.
FIG. 6 is a perspective view of the back of the cart of FIG. 1 following continued rotation of the cart from the view of FIG. 5.
FIG. 7 is a perspective view of the back left corner of the cart of FIG. 1 following continued rotation of the cart from the view of FIG. 6.
FIG. 8 is a perspective view of the left side of the cart of FIG. 1 following continued rotation of the cart from the view of FIG. 7; and,
FIG. 9 is a perspective view of the top of the cart of FIG. 1.
The broken lines in the figures are included for the purpose of illustrating portions of the cart and form no part of the claimed design.