Ben
ben
ben
BEN 10 :
be my wife

What is the number 321,000,000 in scientific notation? also what is the number? ?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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?