Prove that the value of the expression 12^5+12^4 is divisible by 13.

In a bag of keys there are 14 silver keys, 6 black keys, 10 copper keys and 2 painted keys of various colors. one key is drawn out at random. What is the probability that the key that is drawn is silver or copper

Simplify each expression. 18. 7x + 5 (x + 3) + 4x + x + 2

The truth table represents statements p, q, and r. If p is false, which row represents when p V (qan) is true?

What is 3965 nearest 1000

A bag contains 3 red marbles and 4 blue marbles. A marble is taken at random from the bag and replaced. Another marble is taken from the bag. Work out the probability that the two marbles taken from the bag ar the same colour.

one tank contains 50 gallons of water and another tank contains 75 gallons of water. water is draining out of both tanks at a rate of 6 gallons per minute. do the tanks ever have the same amount of water before either is empty

Simplify by dividing 3/5 by - 4/9

A cylinder has a radius of 12 m and a height of 9 m. What is the exact volume of the cylinder? A. 216pi m3 B. 108pi m3 C. 972pi m3 D. 1292pi m3

Michelle is thinking of a shape it is not a polygon it has two sides what is it

Clarissa wants to go see Luke Bryan in concert. Tickets cost $54.50 each. Clarissa already has $25 saved and is going to save $5 per week from her allowance. Im how many weeks will she be able to afford the ticket?