Suppose N coins lie heads up on a table. In one turn, you can turn over any (N-1) coins. Is it possible that N coins could lay tails up in any number of turns, if a N=15?

How to find average value of a function over a given interval?

Is 15/20 a half or a whole?

How many times greater is the value of the 6 in 460,700 that the value of the 6 in 46,070?

For every 1 litre of water used to make medicine, 600ml of sucrose and 150ml of saline solution are used. Express the amount of water, sucrose and saline solution needed as a ratio

Your bedroom measures 12 by 14 feet. Your budget is $300. Carpet is sold by the square foot. What is the most you can spend per square foot for carpeting? Round to the nearest hundredths.

Amy went to soccer practice at 10:30 a. m. She returned home at 1:25 p. m. How long was Amy at soccer practice,

What is the circumference of a circle if the radius is 13?

You receive 9 text messages in 12 minutes. What is the rate of text messages per hour?

How does 20/50 compare to 50 percent Jenny claims 20/50 is equivalent to 70/100 because if I add 50 to the denominator to get to 100 and the add the 50 to the numerator to get 70 the faction becomes 70/100" explains why 20/50 &

What is the solution of the system of equations? {13x-6y=2 3x-4y=-10