Which of the following equations has the same solutions as the equation 3x + 2y=-12 3x-2y=12
-3x-2y=12
15x+10y=-60
6x+2y=-12
6x+4y=-24
1.5x+y=-6
X+2/3y=-12

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