Fully describe the association that would exist between variables with the given correlation coefficient. (a) r = 0.7216
(b) r = 0.2755
(c) r = -0.9438

Please help it's urgent​

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.

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

Solve the system of equations. x=-2y+1 and x+2y=9. show work