There are 5 people at a party. each person must shake hands once with every other person at the party. how many handshakes does it take to do this?

There are 100 senators in the 115th Congress. Democrats make up $/frac{46}{100}$ of the senators, and Republicans make up $/frac{13}{25}$ of the senators. The rest are Independents. What fraction of the senators are Democrat or Republican?

You are cabinetmaker who is installing new kitchen cabinets. you need 6 screws for each cabinet door. how many screws will you need to install 20 cabinet doors

The probability of two events that are not mutually exclusive may be calculated using the formula. in other words, the probability of or occurring is the sum of the probabilities, minus the probability that and occurred.

Two boys who live 14 miles apart start at noon to walk toward each other at rates of 3 mph and 4 mph respectively. In how many hours will they meet?

The Jansen family drove a total of 240 miles on their road trip. This distance is 5 times the distance they drove on the first day. How many miles did the family drive on the first day.

What is the result of a division problem

You get a 15% raise at you job and now make $13.50 per hour. What was you previous rate of pay per hour.

For which data set is a linear regression most reasonable? A. a set of nine data pairs with a correlation coefficient r = - 0.4 B. a set of five data pairs with a correlation coefficient r = 0.3 C.

Change 1 2/20 to a percent

What s the domain of f (x) = 3x-2