List the set of ordered pairs that had a domain that consists of multiples of 3 from -3 to 15

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).

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.