Marjorie needs to calculate how much water a cylindrical tank will hold. the tank is 9 feet high and has a diameter of 5 feet. her work is shown below. step 1: step 2: step 3: step 4: cubic feet what error did marjorie make when calculating the volume of the tank?

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?