What is the product of 2x + y and 5x – y + 3?

Which shows the pre image of triangle xyz

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 radical expression that is equivalent to the expression 27 1 over 5?