The sum of three numbers is 30. twice the first minus the second is 3 less than the third. the third us the second minus three times the first. find the numbers

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

1. are the triangles similar and if so why? what is the value of x? show your work.

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?