Respuesta :

Volume=length*width*height (for a rectangular prism)

Plug in the values. 

4 1/4*3*1 1/4= the volume

4 1/4*3= 12 3/4, so:

12 3/4 * 1 1/4 is correct as well. 

The answer you checked is the correct answer. 

I hope this helps!
~kaikers
answer
4 1/4 * 3 * 1 1/4
12 3/4 * 1 1/4

hope it heps