A cylindrical can has a radius of 5 cm and a height of 12 cm. What is the volume of the can?
There are 24 cans fitted into a box as shown below. What is the total surface area of the box?

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.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.