An airplane completes a 400 km journey with two different speeds. The first 150 km are done at a speed of 120 km/hr; the remaining 250 km are done at 180 km/hr. Find the time and the plane’s average speed for the whole trip.

Which two sets of political ideas speed as a result of the worldwide depression of the 1930s

Type the corect answer in the box. there were many causes of the enlightenment. however, a particular revolution played an important role in its development. this revolution was a result of discoveries made by scientists such as isaac newton and galileo galilei. they dug deep into the realms of science to discover new laws of physics and decipher the mysteries of the universe. the revolution refuted the claims of the catholic church about the position of earth in the solar system. this revolution is called what?

Why was the pension issue relevant to the politics of cleveland's presidency?