Which of the following points are solutions to the system of inequalities shown below? check all that apply x+y ≥2+4 y< 4 a. (5,3) b. (1,-1) c. (7,-1) d. (3,7) e. (2,5) f. (2,4)

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?

Do,h = (7, 9) (14, 18) the scale factor is

2/3(-6y+9x) expand each expression using the distributive property