In a tournament involving players 1, 2, 3, 4, players 1 and 2 play a game, with the loser departing and the winner then playing against player 3, with the loser of that game departing and the winner than playing player 4. The winner of the game involving player 4 is the tournament winner. Suppose that a game between players i and j is won by player i with probability \frac{i}{i+j}.

(a) Find the expected number of games played by player 1.

(b) Find the expected number of games played by player 3.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Solve for x. −3/4(x+2)=6 enter your answer in the box

A+b= 17, ab=70, find the value of |a-b|