in diagram triangle ABC with point D and an F on BC and E a point on AC such that EF is parallel to AC and DE is parallel to BA. Further it is given that AE over EC is equal to5/4 and DF is equal to 20 CM. . . calculator giving reasons the length of FC.

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