Float
because the water weighs more so it will hold it.
For a cube,

The volume is the cube of the side length.


To raise a product to an exponent, raise each factor to the exponent.

To raise a power to a power, multiply powers.
B or D, I forgot whether the open circle or the circle is the equal to one, if I had to guess I'd say B
You didn’t ummm put a picture