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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.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse