What is the correlation between the number of hours driving and the number of gallons of gas used?

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.

In the rectangle below ac=30 units what is de

Is the square root of 4 plus the square root of 16 rational?