Find the volume of the cylinder

Ineed to know the answer right now! !

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)