math HELP PLEASE
posted by Katie .
Describe each pattern with the general term:
a. 2, 4, 6, 8 ...
b. 4, 7, 10, 13 ...
c. 1, 4, 9, 16 ...

math HELP PLEASE 
Steve
a: add 2
b: add 3
c: nth term is n^2
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