Round 8.233 to the nearest hundreds

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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.

Answer this question! 30 points and brainliest!