Answer 1a =23 , 1b =7, 1c = 18 Answer 2a = 24 , 2b = 54 , 2c = 9 Answer 3 = E(Mary) Answer 4a = -5, 4b = 4

Answer 1a. 72 Answer 1b. 24 Answer 1c. 48 Answer 2. 1 (Euler's number) Answer 3. 11 (20-9) Answer 4. Bill should bet $42 on Sprinter E. This gives a Bill 96% chance of winning

Answer 1: A Answer 2: 19 Answer 3: a. 76 b. 94 c. 62 d. 107 Answer 4: 50m winner is Bob, 1.3 secs. 100m winner is Ben, 2.1secs

My answers. Answer 1: c Answer 2: 1 Answer 3: 21, 111, 17, 75 Answer 4: 100m winner is Mike. 100m winning time is : 2.38 50m winner is Mike. 50m winning time is : 1.31