William buys a new desk for his office which measures 11 feet by 14 feet. he wants to put a cover on the desk that costs $18 per square foot. how much will it cost to buy a desk cover?

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