Given right triangle ABC with altitude BD drawn to hypotenuse AC. If BD = 10 and DC = 4, what is the length of AD?

What is an alternate exterior angle

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

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?