Rewriting the expression 15x + 9 as 9 + 15x is an example of what property

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.

If i have one apple and give you the apple, how many apples do i have?

Which ordered pair is a solution of the equation? 2x+3y=10