Kate drove 2 1/2 hours at an average speed of 55 miles per hour and 1 1/2 hours at an average speed of 65 miles per hour. How many miles did she travel.

In the diagram of circle a what is m

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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?