Maria started her business with $50 in her bank account. at the end of the month, she had +$60 in her account in addition to the initial $50. what was the amount she gained or lost?

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?