Use the numbers 1 through 8 to fill in the blanks and make the equation true. blank. blank blank - blank. blank blank = -1. blank blank

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?