Add 13 5/12+(-4 11/2) reduce if possible.

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.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

F(x)=5/6x+3 which of the following is true