What is the simplified expression of 5(3m+7) - 4?

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?

Divide reduce the answer to lowest term 3/7 divided 1 1/6

Which of the following shows the graph of y=2e^x?