How can i do this step by step? convert 13 feet per second to miles per hour.

The only way to identify an intercept is as an ordered pair. true false

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Tom drove 206 miles in 3.9 hours. estimate his average speed.