2.12.3 Test (CST): Triangles Question 9 of 25 If AABC ~ ADEF, what is the scale factor of AABC to ADEF? B 1 21 24 C D 1 O A. O B. 3 O C. 14 O D. 1 Can someone please helppp​

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