What is <2 if <4 is 35

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).

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Plz hurry evaluate the expression a+b where a=8 and b=19