The diagram below shows a square inside a regular octagon. the apothem of the octagon is 18.11 units. to the nearest square unit, what is the area of the shaded region?

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?