PLZ HELP I AM GONNA FAIL JUST EXPLAIN WHAT TO DO ​

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?

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

How many cookies will tony have if he bakes 10 batches more than ten maximum number of batches in the table