Relating fractions to 1 ... https://www.youtube.com/watch?v=zESsg6RWYe8 Note: All Khan Academy content is available for free at (www.khanacademy.org)

Overview of early 19th century French history and context for Les Miserables. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/humanities/world-history/renaissance-and-reformation/protestant-reformation/v/protestant-reformation-1?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory Watch the next lesson: https://www.khanacademy.org/humanities/world-history/1600s-1800s/haitian-revolution/v/haitian-revolution-part-1?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory Missed the previous lesson? https://www.khanacademy.org/humanities/world-history/1600s-1800s/napoleon-bonaparte/v/hundred-days-and-waterloo?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory World history on Khan Academy: Called the Great War (before World War II came about), World War I was the bloody wake-up call that humanity was entering into a new stage of civilization. Really the defining conflict that took Europe from 19th Century Imperial states that saw heroism in war into a modern shape. Unfortunately, it had to go through World War II as well (that some would argue was due to imbalances created by World War I). About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. ... https://www.youtube.com/watch?v=I4iwhvDhvKE Note: All Khan Academy content is available for free at (www.khanacademy.org)

Getting a feel for slope and y-intercept More free lessons at: http://www.khanacademy.org/video?v=Nhn-anmubYU https://www.youtube.com/watch?v=Nhn-anmubYU

Learn about population growth rates and how they can be modeled by exponential and logistic equations. Watch the next lesson: https://www.khanacademy.org/science/biology/ecology/population-growth-and-regulation/v/density-dependent-and-density-independent-population-regulation Missed the previous lesson? Watch here: https://www.khanacademy.org/science/biology/ecology/population-ecology/v/organism-life-history-and-fecundity Ecology on Khan Academy: Why are polar bears found only in the Arctic? Why does mildew grow in your shower and not (hopefully) in your sock drawer? Learn how ecologists study the interactions between organisms and their environment, and how these interactions affect where, and in what numbers, different types of organisms are found. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. ... https://www.youtube.com/watch?v=KyAKEisg2PQ Note: All Khan Academy content is available for free at (www.khanacademy.org)