50 POINTS A statue is in the shape of a triangular pyramid. The area of the base of the statue is 18 square inches and it has a height of 15 inches. What is the volume of the statue in cubic inches? 60 in.3 90 in.3 270 in.3 540 in.3? Thanks!~

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?