What is the midpoint of the segment below

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a