Aperson flips a fair coin until the first head appears. if flips the coin n times, they win 2^n dollars. if x denotes the player’s winnings, show that e[x] = +∞. (a) would you pay $1 million to play this game? (b) would you pay $1 million for each game and only need to settle your debt after you decide to stop playing?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15