An imaginary line bisects America, from sea to shining sea. The 40th parallel north passes through two mountain ranges and a dozens states in the U.S. as it circles the globe. Photographer Bruce Myren ...

The graphs above, \(y = 2x + 1\) and \(y = 2x - 2\) have the same gradient of 2. The lines are parallel. State the equation of a line that is parallel to \(y = 3x + 7\). To be parallel, two lines must ...