Which graph represents an even function? Subject is symmetry’s

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.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?