A skydiver is 780 meters above the ground when he opens his parachute. After opening the parachute, he descends at a constant speed of 20 meters per second. What is a function that would best model this situation? y = 20x - 780
y= 20x + 780
y =780 + 20x
y = 780 - 20x

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?