Help me with this math equation please (show all work)

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Through non-collinear points there is exactly one plane.