Achemical engineer has tested 56 water samples. these samples make up 25% of the total number of samples that need testing. ? ? select from the drop-down menu to correctly identify the total number of water samples that need testing. ? ? there are a total of water samples to be tested. choices a. 1.4 b. 14 c. 168 d. 224

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Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

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