The selling price of a house dropped from $250,000 to $210,000 over a period of 5 years.
part a: by what percent did the selling price decrease? (explain)
part: b by what percent does the price need to increase in order to return to its
original value of $250,000? (explain)
due tmw plz

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