Change 80,500,000,000 to scientific notation.

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Given the graphed function below which of the following orders pairs are found on the inverse function