A group of 53 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 52 others?

A teacher is giving away candy every day. The number of pieces of candy (c) the teacher has at any day (d) is given by the following equation: c = 6000 - 30d How many pieces of candy are given each day?

I have 3 questions the answer should be true or false (1) on any polygon all lines of symetry are also diagonals (2) all regular polygons have rotational symetry (3) for a regular polygon with n sides there are diagonals

Write each rational number as a/b

A rectangular storage box is 12in. wide, 15. long, and 9 in. high. how many square inches of colored paper are needed to cover the surface of the box?

Last week Shane worked 45 hours. This week he worked 50 hours. Find the ratio of the increase in hours to the previous week of hours.

The difference between 7 twenty fives and 3 twenty fives

If triangle ABC is congruent to triangle DEF, then BC is congruent to DE. False True

What percent of earths water does the Indian Ocean contain?

Nan bought an $85 dress on sale at 25% off the orignal price. she paid 5% sales tax on the sale. what was her total bill?

On a scale drawing of a classroom, 1 inch equals 6 feet. The actual dimensions of the classroom are 22 feet by 30 feet. What are the dimensions of the room in the scale drawing