
SQRT each individual bit: 4 and

and 9 and
From what i see, i guess the answer may be B. it looks like it, but i dont really know.
#1 There is no area of a cube. There is only a volume.
#2 The formula is

where s is the side.
Substitute 729 in V since that is the volume.

Take the cube root and you will get
9.
So the formula is
and the side is 9.
Answer: 189
All Steps and Information Found in Image.
Hope This Helped!
The answer is C.
I did the work on a sticky note.