Why did Madam Gazelle cough infront of the entire classroom? And why did Pedro ruin everything?

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?

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.

What is the value of x? enter your answer, as a decimal, in the box. x=