Y1 = 2(1.5)^x ; Y2 = -0.5x + 4

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

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