Suppose there are 15 people in a room. each of those 15 shakes hands exactly once with everyone else. how many handshakes take place?

Karen raked 3/5 of the yard minni raked 1/3 of the amount karen raked. How much of the yard did minni rake

Why are percents rational numbers

French sociologist caillois said that a basic characteristic of any game is that. A: players choose to participate of their own free will B: players play for pleasure C: play should be a source of joy and amusement D: all of the above

What the equivalent expression of 1/64

Sarah is saving money to take a trip to Oregon. She received $450 in graduation gifts and saves $120 per week working. Write an expression to represent how much Sarah saves after w weeks

The last time andy went bowling he had a mean score of 158 per game. After 3 games Andy has a total score of 473 He thinks he needs to score over 160 in game 4 to get a mean score greater than 158. Is he correct? Show a check of working

8*{[ (7+4*2-[ (11-7) * 4]}

If the legs of a right triangle have lengths of 4 and 5 units what is the hypotenuse

What are the x-coordinates of the ordered pairs (1,8) and (4,3)

10 and three over 4-71 over for