PLEASE HELP ME ! im timed !

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.

Which graph represents an even function?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²