If you are pushing on a box with a force of 20 n and there is a force of 7 n on the box due to sliding friction, what is the net force on the box?

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?

Determine the area of a triangle with (see picture below)

Use the given information to determine the exact trigonometric value.