Find the percent of decrease from 80 to 60.

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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