20 PTS A rectangular cardboard has dimensions as shown.

The length of the cardboard can be found by dividing its area by its width. What is the length of the cardboard in inches?

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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).

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?