Someone help me I’m confused? I only have 20 minutes till the timer runs our

Select the lengths in centimeters that would form a right triangle

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?

The function show two sisters' savings account and the rate at which they plan to deposit money