Suppose 1000 people enter a chess tournament. use a rooted tree model of the tournament to determine how many games must be played to determine a champion, if a player is eliminated after one loss and games are played until only one entrant has not lost.

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm