Help please just this 16. Determine whether a proportional relationship exsists between the two quantities in Exercise 14. Explain your reasoning. (Exercise 14 is shown above)

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.

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Which of the following describes the symmetry of the graph of y = x3?