They are not
It goes from
0/0 1/3 2/5 3/6(or 1/2) which are not the same. This makes them not proportional to one another. (I think)
Answer:
Step-by-step explanation:
Multiply the three dimensions
12 x 6 x 8 = 576 cm^3
I think a rectangular prism.
Hope this helped.
The second question is the first choice