Ineed with the bottom one the absolute value one

Plzzz i beg u so much asap ! what is the slope of this line? enter your answer in the box.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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