12 1/4 because the original answer is 12 3/12 but you should simplify it to 12 1/4.
A=bh/2 6*3+1 2 la parte superior sera 12
Answer:

Step-by-step explanation:
The formula of a surface area of a cube:

The formula of a volume of a cube:

We have

Calculate the edge length (<em>a</em>).
<em>divide both sides by 6</em>

Calculate the volume of a cube:

The answer is Graph, I hope it helps:)