Identify the type of observational study (cross sectional, prospective, or retrospective). A school plans to invite some of its former graduates back once every 8 years and share their career success story.

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.

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall