Look at the graph below. What is the y-intercept?

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.

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Which of the following expressions is equal to 2x^2+8