can someone please help me:)

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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?