Which system of equations can be used to find the roots of the equation 4 x squared = x cubed + 2 x?

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.

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base