Somebody halp me whats 1+1 :0 free points lolzz

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?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

The graph represents f(x)=[x]+3. what is f(-2.2)?