Y=-3x+1 coordinate plane

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth

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?