math teacher said its associative
The volume of a sphere is given by the equation
, where V is the volume and r is the radius.
To answer this question, simply plug the correct values into the equation:

The volume of the air in the balloon is about 113.0976 in3.
Hope this helps!!
You start at the y axis and go down 7 so the coordinate is (0, 7) then you move to the right five spaces from (0, 7) and go up 4 from the spot you moved right 7. This should have a positive slope
= 16 * 10^13
which in scientific notation is 1.6 * 10^14