A baseball is hit so that its height in feet after t seconds is s(t)=-5t^2+28t+6 How high is the baseball after 1 second? Find the maximum height of the baseball

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?