Using the known angle, what side is known? What side is unknown? Use opposite, adjacent, or hypotenuse in your answer.

For how answer my question this will be the last question can you answer in math subject

Find the solutions for a triangle with a =16, c =12, and b = 63º

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?