12 pack squints apple juice cost three dollars after a 40% discount which equation would allow you to find the original price of the 12 pack

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

Reflect the point (7,0) across the y-axis

Standard deviation of 19,29,21,22,23