Aaron used 20 centimeters of tape to wrap 4 presents. How much tape will Aaron need in all if he has to wrap 9 presents? Assume the relationship is directly proportional.

Describe a situation that you could represent with the inequality x< 17

What is fraction that is equivalent to 3/8

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?