Would you rather buy...
Option A
8 pound jug of ice
cream for
$24.56
Option B
Two 3 pound 11 ounce
jugs of ice cream for
$23.60
or...

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).

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Write 17/20 as a decimal and as a percent.