2 answers:
The answer is GEOMETRIC.
If you look at the pattern, you will see that each term, multiplied by 3, gets the next term:
1/6 * 3 = 1/2
1/2 * 3 = 3/2
3/2 * 3 = 9/2
And so on...
So, the answer is geometric.
An arithmetic sequence would have a common difference between successive terms, not the case here.
A geometric sequence has a common ratio; let's check:



That's a common ratio of 3 so as far as we can tell a geometric sequence.
Answer: geometric
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Answer:
X = 20.6 inches
Step-by-step explanation:
Pythagorean Theorem: 
A = 41.2 in, while B = 35.7 in and we are solving for C.


Now solve for C

Take the square root

Answer:
135.71 sea otters
Step-by-step explanation:
y = 70(1.18)^4
y = 70 x 1.9387
y = 135.71