A collar of Styrofoam is made to insulate a pipe. Find its volume. The large radius R is to the outer rim. The small radius r is to the edge of the insulation. Use pi almost equals 3.14.

r = 3 in.

R=5 in.

h = 15 in.

2 3/4 + 1 1/3 + 1 3/4=

Quadratic equations create a straight line when you graph them. True or false?

For a project in their health class, Jasmine and Brenda recorded the amount of milk they drank every day. Jasmine drank 2 pints of milk each day, and Brenda drank 3 pints of milk each day. a.

A certain population is growing according to the formula N = 1330 * 1.09t. What is the tripling time for this population? Round your answer to one decimal place.

If a circle has a radius of 9 and a sector defined by a 254 degree arc, what is the area of the sector

Verdadero o falso: Q (números racionales) ∩ I (números irracionales) = Ø. Porque?

Ivan earns $8 each time he walks his neighbors dog. he already walked his neighbors dog 5 times. how many more times does he need to walk the dog to earn enough money to buy a game that costs $88

What is the measure of angle A in the triangle below? Right triangle A B C is shown. Side B C has a length of 9 and hypotenuse A B has a length of 18. 30° 45° 60° 90°

Estion 15 of 20 : Select the best answer for the question. 15. In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 9.

In chemistry a mole is a unit of measure equal to 6.02x10^23 atoms of a substance. the mass of a single neon atom is about 3.35 X 10^-23 g. what is the mass of 2 moles of neon atoms?