Ascience teacher needs to collect lake water for a lab she is teaching. the lab requires each student to use 4 fluid ounces of lake water. if 68 students are participating ,how many pints of lake water will the teacher need to collect?

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?