Which equation represents a line which is perpendicular to the line 4x-y=-2

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

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry