Identify the domain of the graph of y = −x2 − 6x − 13. all real numbers x ≤ −4 x ≥ −6 x ≥ −2

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.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?