Please help. for the model one, you have to figure out the way it is

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 shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?