What equation is perpendicular to the equation 4y=x-36

He concluded that a heavier object dropped from the same height as a lighter object will land

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?