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Algebra: Sketching Line Graphs

Sketching Line Graphs Algebra Graphing Linear Equations Climb Aboard the Coordinate Plane Sketching Line Graphs It's a Slippery Slope Kinky Absolute Value Graphs Not that plotting points isn…

What's a carat?

The Question: In diamond measurement, what is a carat? The Answer: One carat is equal to 200 milligrams. It's a useful measurement for dealing…

United States Geography

Find U.S. maps, information about longitude and latitude, rivers, mountains, elevation, geographic extremes, geography quizzes and more Geography Quizzes: Adult Level Geography Quizzes:…

Pi Day

A day to celebrate all things round by Catherine McNiff 3.1415926535897932. . . Approximated as 3.14, the Greek letter for pi is an irrational (cannot be written as a simple fraction…

Oil Spills

1910 March 14, Kern County, Caifornia: Called the Lakeview Gusher Number One, this hydrocarbon eruption because the largest accidental oil spill in history. It lasted 18 months and spilled 9…

Metric Holdouts

The Question: Which countries in the world don't use the metric system? The Answer: The only remaining nonmetric countries in the world are the…

A Morass of Movable Feasts

A quick guide to the dates of Passover and Easter Related Links Easter Features Tale of Two Easters Passover Kosher for Passover The Jewish Calendar The Christian…

Famous Presidential Speeches

Fireside chats, inaugural speeches, war declarations, and more George Washington First Inaugural AddressFarewell Address Thomas Jefferson First Inaugural Address Abraham Lincoln Gettysburg…