Find the value of x.

What is the perimeter of square abcd? units units 28 units 37 units

Can anyone me with 32,33,36,37,and 40.

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?