Tony started a blanket business. he purchased a sewing machine and some fabric to get started, and then sold each blanket for the same price. the expression −450+12x represents the profit that tony has earned based on the number of blankets sold. which expression represents the total amount tony earns from selling blankets?

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?