if there are 39 people in a room and everyone has to shake hands with everyone exactly once, how many handshakes are there?

asher wants to place a fence around his backyard. the backyard is 8 feet long and 7 feet wide. what is the total length of fence, in feet, asher needs to place around his backyard?

For each of the following statements, state whether it is true (meaning, always true) or false (meaning, not always true) : Let X and Y be two binomial random variables. (a) If X and Y are independent, then X+Y is also a binomial random variable.

Hal, Mark, and Frank are driving round-trip to a football game that is 190 miles from their town. If each of them drives the same distance, how far will each person drive?

Penny had a bag of marbles she gave 1/3 of them to Rebecca and 1/4 of the remaining marbles to John Penny then had 24 marbles left in the bag how many marbles the penny start with

0.74 Kcal/min to cal/sec

5x8x56x101x1234x12+506

what is the correct upper and lower control limits for 8.42 pounds and the accectable range for plus or minus. 65 pounds

Argyle can read 7 pages of his book in 5 minutes. At that rate, how many pages can he read in two hours?

Country Population (1997 estimate) Area (square km) U. S. 272,648,000 9,364,520 Romania 22,609,000 237,391 Ghana 18,339,000 237,533 Which of these countries has the greatest population density? Which has the least?

Whats the square root of 2562634