Triangle midsegment please and thanks

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.

Which system of linear inequalities is represented by the graph?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12