Write 6.03 as a mixed number

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

If you answer right ill give brainliest, : )

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)