A store sells flower arrangements at a cost of $38 each. Which statements are true regarding the price of the arrangements? Select three options.

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).

When only separate discreet points are graphed it is called?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10