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Geometric sequences go up due to a common ratio. Here the common ratio can be worked out by dividing a term by its previous term e.g term 2 divided by term 1.

Therefore the common ratio is 6.
48:42
16:14
56:49
I hope this helps.
Answer:
Step-by-step explanation:
The answer is B
The whole numbers are the + integer set. Since -sqrt(25) = - 5, this number is not included in the whole number set.