Scientists tracking a flock of ducks found that, on average, the ducks flew 550 km south in 10 h. What were the speed and velocity of the flock of ducks in meters per hour? Show your work.

What did sargon's empire have in common with other mesopotamian city-states? a. it extended over a greater territory than anyone had ever conquered before. b. it fought with surrounding city-states. c. it covered an area from the mediterranean sea to the persian gulf. d. it had a professional army.

What did the incas accomplish? a. written language b. formalized religion c. conquest of the western south america d. formalized government

Why was the united nations established