Presley is organizing the school book sale. each stall will have 40 books on the shelf and 2 boxes of books with b books inside. presley also has 200 books in inventory to refill the shelves as books sell. this situation can be written as the following expression: 40s + (2b)s + 200 how many books should presley have ready if she plans to open 8 stalls and have 12 books in each box? (2 points)

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