If a, b, c are in A. P. show that
a (b + c)/bc, b(c + a) /ca, c(a-b )/bc
are in A. P.
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Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.