During the trip to New York, Ken traveled 329 miles by ship in 5 hours and 168 miles by bud in 2 hours. What was the average speed for Ken's road trip to New York?

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?