1. burn both ropes from the center. When you have 1/2aropes length left total, it will have been 45 min
2. Push the cork in.
3. Place the bags on the scale one atatime, look for the largest difference.
4.?5. Both poles
6.?7.?8. Triangle of6dots with dot in center.
9. Jim robbed the bank
10. just toss them into two piles, rule of large numbers says that an infinite amount of trials will yieldaprobability of .5 onacoin toss.