Learn how to find equations of parallel lines, work out the gradient of perpendicular lines, and prove that given lines are parallel or perpendicular.

To investigate different aspects of queue design, the authors tested different scenarios, namely single versus parallel queues and a full versus blocked view of the customer lines.

Blonde on Blonde featured Dylan in peak form. On “Absolutely Sweet Marie,” a minor track, he drops a line that managed to cut through all the poetry and abstract images on his landmark release.