One-quarter of an order of lumber is used to build steps. Of the remaining of the order, is used to build a small deck. What fraction of the original order is still
left?

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

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

Add the two expressions 4.6 x -3 + -5.3 x + 9