5) A certain type of virus triples every 4 hours. If you started with 16 viruses, how many would you have after 20 hours?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.