I need help hurry i will mark brainliest

The line represents the number of packs of gum, y, remaining at a concession stand after x minutes.

What does the y-intercept represent?
A. the final number of packs of gum
B. the initial number of packs of gum
C. the number of packs of gum sold per minute
D. the number of minutes it took to sell one pack of gum

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?