This art history video discussion examines "The Pergamon Altar", c. 200-150 B.C.E. (Pergamon Museum, Berlin).

In this art history video discussion Beth Harris and Steven Zucker look at Sir Peter Paul Rubens' "The Rape of the Daughters of Leucippus," 1617-18, oil on canvas. Alte Pinakothek, Munich.

This art history video presents a conversation between Salman Khan and Steven Zucker about sculpture and the language of representation. They examine Pablo Picasso's "Guitar" (1912-) 1914, made of ferrous sheet metal and wire. It's currently at the The Museum of Modern Art.

This art history video discussion examines Pablo Picasso's "Les Demoiselles d'Avignon", 1907 (Museum of Modern Art).

This art history video discussion looks at Pablo Picasso's "The Reservoir (Horta de Ebro)", oil on canvas, summer 1909 (MoMA).

This art history video discussion looks at Piero della Francesca's "Portraits of the Duke and Duchess of Urbino", Federico da Montefeltro and Battista Sforza, 1467-72, tempera on panel (Galleria degli Uffizi, Florence).

This art history video discussion looks at Piero della Francesca's "The Baptism of Christ", 1450s, tempera on wood, 167 x 116 cm (National Gallery, London).

This art history video discussion examines Pierre Le Gros the Younger's "Stanislas Kostka on His Deathbed", 1703, upstairs at Bernini's Sant'Andrea al Quirinale.

To plot an inequality, such as x>3, on a number line, first draw a circle over the number (e.g., 3). Then if the sign includes equal to (≥ or ≤), fill in the circle. If the sign does not include equal to (> or <), leave the circle unfilled in. Finally, draw a line going from the circle in the direction of the numbers that make the inequality true.

This video lecture looks at the painting techniques of Jackson Pollock: "One: Number 31, 1950". Abstract Expressionist New York. The Museum of Modern Art, October 3, 2--April 11, 2011. Filmed by Plowshares Media Images courtesy of Pollock-Krasner Foundation/Artists Rights Society (ARS), New York; and The Museum of Modern Art, New York. Music by Chris Parrello Chris Parrello, Ian Young, Kevin Thomas, Ziv Ravitz.

This art history video discussion examines Polykleitos' "Doryphoros (Spear-Bearer)," Roman marble copy after a Greek bronze original from c. 450-440 B.C.E. (Museo Archaeologico Nazionale, Naples).

This art history video discussion looks at Pontormo's "Entombment (or Deposition from the Cross)", oil on panel, 1525-28 (Capponi Chapel, Santa Felicita, Florence).

This art history video discussion looks at Georges Seurat's "A Sunday on La Grande Jatte" - 1884, 1884-86, oil on canvas (The Art Institute of Chicago).

This art history video discussion looks at Nicolas Poussin's "Landscape with Saint John on Patmos", 1640, oil on canvas (Art Institute of Chicago).

This art history video discussion looks at Fra Andrea Pozzo's "Glorification of Saint Ignatius" ceiling fresco in the nave of Sant'Ignazio, Rome, 1691-1694.

This art history video discussion examines Andrea Pozzo's Saint Ignatius Chapel in the left transept of the church, Il Ges, Rome (commissioned in 1695). Many artists contributed including Alessandro Algardi, Pierre Legros, Bernardino Ludovisi, Il Lorenzone and Jean-Baptiste Theodon. Materials include bronze, gold, silver, and many semiprecious stones most notably lapis lazuli.

This 15-minute video lesson gives an example involving the preimage of a set under a transformation. It also gives a definition of kernel of a transformation.

The addition rule for probability is explained using Venn Diagrams. [Probability playlist: Lesson 3 of 29]