Model the algebraic expression x + 2. Then select all the statements that are true. x + 2 cannot be modeled with algebra tiles.
The variable x is represented by a rectangular orange x tile.
The variable x is represented by a square orange + tile.
+ 2 is represented by 2 rectangular orange x tiles.
+ 2 is represented by 2 square orange + tiles.

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