Which number line shows the sum of -8, 4, and -2?

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.

Graph the equationy= x+3[tex]y = x + 3[/tex]

With alll of except for the 2 that i did already