The problem is: this year's king kong checkers tournament has 350 entrants. it is a single-elimination tournament. that means when someone loses a game, that person is out of the tournament. how many checkers games must be played until the winner of the tournament is declared?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?