Find the zeros pf f(x)=(x-3)squared-49

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.

(x-5)1/2+5=2 what is possible solution of this equation

What is the ratio fraction form of 25: 9