Brazil's currency is called the real and is denoted with this symbol: R$. A plumbing contractor allotted R$10,236 in his bank account to complete three residential jobs. If he estimates Job 1 to cost R$2,477, Job 2 to cost R$2,263 and Job 3 to cost R$3,218, how much money will he have left in the account for unexpected costs?

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?