The ornamental design for a bath with bathchair, as shown and described.
FIG. 1 is a front three-quarter perspective view of a bath with bath chair;
FIG. 2 is a rear three-quarter perspective view of the bath with bath chair with raised chair shown in a different configuration of use for clarity of the disclosure;
FIG. 3 is a rear perspective view of the bath with bath chair with raised chair shown in a different configuration of use for clarity of the disclosure;
FIG. 4 is a right side view of the bath with bath chair with raised chair shown in a different configuration of use for clarity of the disclosure;
FIG. 5 is a right side view of the bath with bath chair;
FIG. 6 is a rear perspective view of the bath with bath chair;
FIG. 7 is a front three-quarter view of the bath with bath chair;
FIG. 8 is a rear three-quarter view of the bath with bath chair; and,
FIG. 9 is a side perspective view of the bath with bath chair.
The dash-dot-dash broken lines in the drawings depict boundaries of the claimed design and form no part of the claim. The evenly spaced broken lines are for the purpose of illustrating portions of the bath with bath chair that form no part of the claim.