You be Teacher your friend finds the difference. 3/2 - 9/2= 3/2 +9/2 =12/2 =6 is your friend correct? Explain your reasoning.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

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