Answer:
The answer would be 18 1/4
or in decimal 18.25
hope it helped
Substitution because you need to substitute one of the variables
Answer:
108 cubes
Step-by-step explanation:
Lengths of one of the cube s=
Volume of a Cube 
Volume of one of the Cubes 
The volume of the rectangular prism is 4 cubic units.
Therefore, to find the number of cubes it takes to fill the prism, we divide the volume of the prism by the volume of the cube.

It takes 108 cubes to fill the rectangular prism.
I'm pretty sure DEF is a scalene triangle since it looks like none of the sides are equal to each other.
Hope this helps!
May