Two cars start at the same time, but travel in opposite directions. One car's average speed is 60 miles per hour (mph). At the end of 4 hours, the two cars are 440 miles apart. Find the average speed in mph of the other car.

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

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?