Find a simplified expression for the perimeter of the square below

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

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Ineed here’s a picture of the question