The 10ft wall shown here stands 22ft away from the building. Find the length of the shortest straight beam that will reach to the side of the building from the ground outside the wall.

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?