George was traveling in his car at a constant speed of 52 miles per hour for the first four hours of his journey. As he was running out of gas, he reduced his speed to 34 miles per hour. Which equation represents D, his total distance traveled, as a function of t, the number of hours he traveled after reducing his speed?

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?