Suppose that when players of a basketball team are introduced at the beginning of a game, the public address announcer randomly chooses the order he reads off the names. If there are 13 players on the team, how many possible orders are there?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Sketch one cycle if the cosine function y=2cos2theta