The average speed of a Greyhound bus from Lansing to Detroit is 111.5 km/h. On the return trip from Detroit to Lansing the average speed is 52.2 km/h on the same road due to heavy traffic. What is the average speed of the bus for the round trip

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Asample of a gaseous substance changes into a liquid

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.