Respuesta :

Answer:

Its eather 2a or -18

Step-by-step explanation:

I think its one of those two

Could i have a heart and branliest please.

solololo20055
a^2=18
Replace a with 10
(10)^2 = 18
10 squared is 100 so
100=18
subtract 18 from 100
100-18=82
82 Hope this is correct and helps !!

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