Hans earns 54 dollars per week working part-time at a book store. He makes one dollar more for each book that he sells. The amount, A (in dollars), that Hans earns in a week if he sells b books is given by the following. =A+54b
How much does Hans earn in a week if he sells 25 books?
dollars

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?