The table below shows the soft drinks preferences of people in three age groups. if one of the 255 subjects is randomly selected, find the probability that the person is over 40 given that he or she is a root beer drinker.

What is the length of the unknown leg in the right triangle ?

Which number produces a rationale number when multiplied by 1/5

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