This person is completing the related rates problem assigned to her.
Who is Ava Cahill?
It's the change in volume in terms of time in the problem.
What is dV/dt, equal to 800 cm3?
The answer is the volume of a sphere, in this case referring to the balloon in the problem.
What is 4/3 pi r3?
The assigner of this not fun related rates assignment.
Who is Ms Weber?
The process that will be used to differentiate the volume function.
What is the power rule?
The number that will be substituted for the differential of volume in terms of time.
What is 800 cm3?
These are the names of Ms Weber's beloved cats.
Who are Newton and Leibniz?
It is what will not be necessary in this problem.
What is a calculator?
What is 30 cm?