Gcf of 12y^3 and 15y^2

What is the approximate circumference of the circle shown below?

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.

Triangle knm is what is true about the sides of knm