Cut a rope into 8 equal pieces. each piece was 3/4 long. how long was the original rope

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?

Find the nonpermissible replacement for binthis expression.b2/5b +5

Which of these lines passes through the point (1,-1) and has a slope of -3?