To find the volume of the composite figure, we need to find the volume of each individual shape and then add them together.
1. Volume of the cube:
Volume = side^3
Volume = 3^3
Volume = 27 cubic inches
2. Volume of the rectangular prism:
Volume = length x width x height
Volume = 3 x 4 x 11
Volume = 132 cubic inches
Now, add the volumes of the cube and rectangular prism to find the total volume of the composite figure:
Total volume = 27 + 132
Total volume = 159 cubic inches
Therefore, the volume of the composite figure with a cube and a rectangular prism stacked on top of each other is 159 cubic inches.