At 2:00 pm a biker is traveling due east and is next to the observer. If the biker is traveling at 10 mph does it collide with the train when the bike goes over the train tracks?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?