I don't understand this, I really need help quickly

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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?