What is the exact distance between the point (-2,-1) and the point (6,8) units

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.

Which statement best describes the polynomial

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: