You want to use square tiles to cover the top of a table you're making. the top is 30 inches by 18 inches. what is the side measure of the largest-sized square tile you can use to cover the tabletop without any overlap or cutting?

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?