Express the equation in slope intercept form

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?

What is the circumference of the pie

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent