Solve dy/dx - y = x using integrating factor method

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?