A group of 66 friends meets for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of the 65 others?

A cherry tree grew 5 3/4 feet in 3 1/2 months. What was the average growth per month?

Which ratio is greater than 11/16? a=22:32 b=3:8 c=1:2 d=3:4

A spherical solid of volume 123,456 is melted and recast into a solid cube. What is the side length of the cube?

The half-life is the time it takes for only half of something to remain. For example, if there are 100 atoms, after one half-life time period, 50 atoms remain. At the beginning of a time period, there are 16 atoms of a radioactive substance.

What would be the results after the following code was executed? int[] x = {23, 55, 83, 19}; int[] y = {36, 78, 12, 24}; for (int a = 0; a < x. length; a++) { x[a] = y[a]; y[a] = x[a]; }

Marty's Tee Shirt & Jacket Company is to produce a new line of jackets with an embroidery of a Great Pyrenees dog on the front. There are fixed costs of $ 680 to set up for production, and variable costs of $ 41 per jacket.

The annual profit of the neighborhood music store was $335,899 last year. This year the profit was 12% higher. What was this year's profit?

You need to select three numbers (no more, no less), from a list to add up to thirty. here's the list of numbers (you can use them more than once) : 1, 3, 5, 7, 9, 11, 13, 15.

4*7 = (4*3) + (4*4) is an example of what property

100,000+4,000+800+5 in standard form