The Appalachian Trail is about 2,175 miles long. a. If Katia averages 18 miles each day, how long will it take her to hike the length of the trail?

b. Katia’s friend Joelle joins her for the last quarter portion of the hike. How many full days will Joelle hike?

PLZ HELP I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS THIS QUESTION!

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?