Which system of equations is equivalent to this system?

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.

The system of equations graphed below has how many solutions? y = 2x + 2

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.