A regular heptagon with 7 sides is inscribed in a circle with radius 10 millimeters What is the area of the figure? 273.641 mm^2
234.549 mm^2
39.092 mm^2
321.311 mm^2

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

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A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95