Given the form of the equation 3x + 2y = 3 and x – 3y = -10. Then determine the result of 3x - y !​

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).

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Given abc find the values of x and y. in your final answer, include all of your calculations.