Hich of the following expressions is equivalent to |x + 4| < 5? a. –5 > x + 4 < 5 b. –5 < x + 4 < 5 c. x + 4 < 5 and x + 4 < –5 d. x + 4 < 5 or x + 4 < –5 select the best answer from the choices provided a b c d

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?