I’m really confused and need your assist me with this question i’ve never been taught

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.

In the 30-60-90 triangle below side s has a length of and side r has a length

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads