In a chemical compound there are 3 parts zinc (y) for every 16 parts copper (x). What is the constant of proportionality (k) between copper and zinc?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship