Bob is mountain climbing with Jake and has just climbed a 9-meter vertical rock face. Jake is standing at the bottom of the cliff, looking up at Bob. If Jake is 15 meters away from Bob, how far away from the cliff is Jake standing?

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?