Respuesta :

68 cubic in.

Explanation:
The explanation is too long, just trust me and look at keep in mind these steps:

Separate that figure into 2 pyramids and 1 rectangular prism. Find the volume of each figure and add them all up

Keep in mind that the formula for volume of rectangular prism is length x width x height

The formula for volume of triangular prism is
1/2 x length x width x height.

Hope this helps! Comm.ent me if u have any questions

Mark me brainliest if I got this right!
-SpaceMarsh