Aschool is building a new rectangular playground. it will measure 38 meters by 52 meters. what will the area of the playground be?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?

Why is causation so much more difficult to prove than correlation?