Vertex (4,0) co vertex (0,-2) write equation of ellipse

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?

Which expression is equivalent to -5(3x - 6/7)

Finding tbe values of the variables in each kite