Parallel lines have the same slope and no points in common. However, it is not always obvious whether two equations describe parallel lines or the same line.

In this video, Elizabeth Loftus, a professor of psychology and law, discusses the intersection between psychology and the legal system, particularly focusing on the fallibility of eyewitness testimony and the prevalence of false...

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This clip offers a brief introduction to the States in the Southeastern Region of the United States.

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

In this video, the teacher explains how to use rounding in real-world situations. Using examples such as estimating the number of students in a class, days until a birthday, fish in an aquarium, and pencils in a box, the teacher...

Can throwing a penny off of the top of the Empire State Building lead to a murder charge, and what is surprisingly more deadly?

Upon viewing the Water, Water, Everywhere video series, students will be able to do the following: List some of the ways they use water everyday in their lives. Describe why water is important to plants and animals. Explain the...