I'm Pinhead can anyone finish that for me tho-
I probably made no sense..

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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.

Find the value of x for which line a is parallel to line b