What is the length of the diagonal of a cube that is 10 inches on each edge? round to the nearest tenth of an inch

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.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Which of the functions below could have created this graph?