HELP ASAP !! Suppose you have a total of $2.25 in dimes and
nickels. You have twice as many dimes, as nickels.
Which system of
equations could be used to
determine how many of each coin you have?

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?

Solve the equation for b: a= (1/2)(b)(h)

How is the interquartile range calculated?