Last free points question for tonight :)

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236