In an indirect proof, you prove an “if then” statement is true by assuming the statement is false (stating the converse or inverse), and then disproving the false statement. You want to prove the statement shown below in an indirect proof. What statement should you prove is false?

Plz which expression is equivalent to the expression below?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

What is the the greatest common factor ?