3x> -15 and 7x< 21 solve the following compound inequality. graph the solution

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).

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.