18x + 2x + 1=32 -1 18x + 2x=31 and then what?

Given a circle with a radius of 2 which is the length of an arc measuring 75

Which statement describes surface features called maria on the moon

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?