Express 3a^2b^-1 with positive exponents.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

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?

Finding tbe values of the variables in each kite