Simplify √60a^3 a) 2a √15 b) 2a √15a c) 2a^2 √15a

Find the total area for the regular pyramid ( follow the answer set up in the picture)

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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.