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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.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11