A system of equations and its solution are given below. System A

To get system B below, the second equation in system A was replaced by the sum of that equation and the first equation in system A multiplied by -2.

System B

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

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.

If the discriminant if a quadratic equation is 4 which statement describes the roots?