Answer:
2052 cubic inches is its volume
Explanation:
Volume(V) of the rectangular solid box is given by:

where,
l is the length , w is the width and h is the height of the box respectively.
As per the statement:
A tool box is a rectangular solid with sides of 19 in., 12 in., and 9 in.
⇒l = 19 in, w =12 in and h = 9 in
Substitute these we have;

Therefore, the volume of a rectangular solid box is, 2052 cubic inches