How to solve quations using subsitution. the equation i need to solve is 2x+y=5 -3x+2y=17 explain it in detail you

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.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9