A1 or just a as it is in the equations is just the initial term of the sequence. In this case a1=1
r is the common ratio which is that constant ratio found by dividing any term by the term preceding it...
In this case r=3/1=9/3=27/9=etc=3
So a1=1 and r=3, C. is your answer.
Answer:23.06
Step-by-step explanation:
subtract 85.6 from 62.54 and that should shoot out your answer
Answer:
240 texts
Step-by-step explanation:
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Thus each angle has a measure of 108° degrees.
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It has to be 36 because it the same stick as the other stick that is telling 36