Explain what you would do first to simplify the expression below. Justify why, and then state the
result of performing this step.
312
1212
2
4+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.

An angle that measures between 90 and 180° is called a(,

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.