Tell whether the transformation appears to be an isometry

3. solve by graphing: y = 2x + 6 x + y = -3

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.

How many terms does the polynomial x^2 y^2 have