During a certain chess tournament, each of six players will play with every other player exactly once. Then, how many different matches will be played during the tournament?
What is the volume of a cube with a surface area of 96?
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
A rope 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other, what is the length, in feet, of the shorter piece?
If f(x) = x2 - 2x what is the value of f(4) ?
-16
-8
0
8
Express 17: 20 is percentage?