Alex rented a booth at the comic pro conference to sell his new graphic novel. the booth rental is $50, and the cost to produce each book is 5.25 each. the novel sells for 12.95 each. write am inequality to represent the number of graphic novels he must sell to make a profit.

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?