A) 70 pools in total
B) 5:2
Answer:
y=3x-9
Step-by-step explanation:
this formula, doesn't rely on a product, relies on a "sum", or is namely an arithmetic sequence, aₙ₋₁ -3 is another way of saying, the value of the previous term minus 3, so it relies on the ordinal value of a term, so is an recursive formula, well, let's get it when n = 4.

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For this question I would need the money amount what minimum might possibly be? please and thank you