The measure of each interior angle of a regular polygon is 156°. find the number of sides.

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.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Can someone answer this question for me