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x : y = 2 : 3 and y : z = 5 : 4. Find x:y:z.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico