A small messenger company can deliver only in a small part of the city. Write an equation
for the boundary where the company delivers, and find its radius. Each unit represents one
block.

23. how does specialization among nations encourage interdependence? nations work together to share labor and resources to produce vital goods. nations sign treaties prohibiting taxes on imports. nations produce specific goods and then trade to obtain things they need. nations that are more developed agree to fund development in nations with limited industry.