Item 5
Find the slope of the line through the points (−3, 1) and (−1, 5).

In the diagram of circle a what is m

Could someone with number 1 and 2

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?