6.1 times 10 to the 4th power

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.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.