10 basketball teams participate in a tournament such that the following conditions hold: every team plays every other team exactly once ties are not allowed no team loses all of its games (in other words, every team wins at least one game). prove that at least two teams finish this tournament with the same number of wins.

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet