What is the value of F? (ap physics summer hw) show work

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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?

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?