Does anyone know the answer to this? I NEED HELPP

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.