Which best describes the relationship between the lines?

3x – y = −7

6x – 2y = 1

parallel

perpendicular

neither

same line

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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?