Solve equation. |x| = 12

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

I'm confused on this could anyone me and show me what i need to do to solve it.

What is the equation of a line passing through (-6,5) and having a slope of 1/3