Answer:It's the 1st one
Step-by-step explanation:
You keep multiplying by 3. The recursion has nothing to do with 2. Thus, it is a_n=3*a_{n-1}
Answer:
B
Step-by-step explanation:
I am pretty sure that it is a concave polygon.
Answer:
81
Step-by-step explanation:
Miguel is reading 3x the pages everyday. 1x3=3 3x3=9 9x3=27 27x3=81