Find the geometric mean of: (a) 4 and 25; (b) 12 and 15; (c) 8.5 and 34. (Round off if you get a decimal.) Your answer

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?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct