The price s of a pair of shoes plus 5% sales tax. i came up with s 0.05s, but i don't know why the s is next to the 0.05 can you explain why? !

Find the area of a parallelogram with base 15 yards and height 21 2/3

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

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?