Find three prime numbers that add up to another prime number.

Suppose Frances is a researcher at Beaded Gemsz, a company that makes beaded jewelry. She wants to evaluate whether using better equipment during the current year has increased jewelry-making productivity.

After a lot of bargaining Masha bought a new car for $34000, and realized that she paid only 85% of the originally listed price. What is the original price of that car?

The science fair judges will be science and volunteers each judge will only have time to view 5 projects there are 133 science teachers what is the fewest number of volunteers needed to have enough judges for all of the projects

A steel worker dropped his wrench off the top of a new high rise building. How far will the wrench fall in 3 seconds?

Find 7 1/2 divided by 2 1/2. Simplify and write as mixed number

Mary and her husband are each starting a saving plan. Mary will initially set aside $650 and then add $145 every month to the savings.

Identify the possible bias. A television reporter asked people on downtown streets if they sell for a new city subway system.

Suppose the spot and three-month forward rates for the yen are ¥102.20 and ¥101.19, respectively. a. is the yen expected to get stronger or weaker? b.

Which of the following events has an expected value that is in the sample space? A. tossing a number cube once B. flipping a coin C. randomly picking a number between one and nine, inclusive D.

At a summer camp there are 40 boys out of 70 campers. Of the campers 20 were involved in football and 50 were involved in a club. What is the ratio of boys to girls written as a fraction in simplest form?