Jillian decides to sell home-made masks in her neighborhood. The materials cost her $5 per mask, so to make a profit she decides to mark up the mask 125%. How much will she sell the masks for? Show work to justify your answer!

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?