the airthmetic mean of a

  1. how can I tell if a sequences is airthmetic, geometric or neither?determine the first three terms of each and determine if each
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    2. GEORGE! asked by GEORGE!
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  2. is the sequence 5,9,15 an airthmetic sequence?explain
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    2. sandra asked by sandra
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  3. the airthmetic mean of a set of nine numbers is 5. when one more number is added to s,the new means is5.5 .what number was added
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    2. rayray asked by rayray
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