Multiply. Use the greatest common factor to write each answer in simplest form. 32 x 3/8

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).

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Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,