which of the following best describes the change in the mean when 3 is included in the data set below? 34,75,26,81,65,38,49

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

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