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Learn about Fun Trig Problem Channel: 5min.com on AOL Length: 600 Date: June 09, 2010 Khan Academy Presents: A trig problem involving the quadratic equation.

Learn about 45-45-90 Triangles Channel: 5min.com on AOL Length: 569 Date: June 09, 2010 Khan Academy Presents: Introduction to 45-45-90 Triangles

Learn for the GMAT: Data Sufficiency 29 Channel: 5min.com on AOL Length: 593 Date: June 09, 2010 Khan Academy Presents: GMAT Prep: 119-120, pg. 288

Learn for the GMAT: Math 9 Channel: 5min.com on AOL Length: 590 Date: June 09, 2010 Khan Academy Presents: GMAT Prep: 49-54, pgs. 158-159

SAT Prep: Test 4 Section 2 Part 6 Channel: 5min.com on AOL Length: 461 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Problems 19-20 on page 587

SAT Prep: Test 1 Section 3 Part 6 Channel: 5min.com on AOL Length: 593 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Problems 15-16 starting on page 399

Learn for the GMAT: Math 13 Channel: 5min.com on AOL Length: 629 Date: June 09, 2010 Khan Academy Presents: GMAT Prep: 70-75, pg. 161

Learn for the GMAT: Data Sufficiency 37 Channel: 5min.com on AOL Length: 705 Date: June 09, 2010 Khan Academy Presents: GMAT Prep: 142-144, pg. 290

Why Do Mosquito Bites Itch Channel: 5min.com on AOL Length: 88 Date: June 09, 2010 Why are mosquito bites so itchy? See if this question can stump Dr. Charlotte Grayson

SAT Prep: Test 5 Section 3 Part 3 Channel: 5min.com on AOL Length: 575 Date: June 09, 2010 Khan Academy Presents: SAT Prep:More on problem 8 on page 654 and 9-11.

SAT Prep: Test 2 Section 3 Part 3 Channel: 5min.com on AOL Length: 565 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Questions 9-12 starting on page 461

Learn about Undetermined Coefficients 2 Channel: 5min.com on AOL Length: 660 Date: June 09, 2010 Khan Academy Presents: Another example using undetermined coefficients.

SAT Prep: Test 3 Section 4 Part 2 Channel: 5min.com on AOL Length: 556 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Problems 5-9 starting on page 531

SAT Prep: Test 1 Section 9 Part 3 Channel: 5min.com on AOL Length: 594 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Questions 9-11 starting on page 425

SAT Prep: Test 4 Section 4 Part 1 Channel: 5min.com on AOL Length: 563 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Problems 1-6 starting on page 594

SAT Prep: Test 2 Section 9 Part 2 Channel: 5min.com on AOL Length: 539 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Problems 6-9 starting on page 488

Learn about Statistics: Variance of a Population Channel: 5min.com on AOL Length: 743 Date: June 09, 2010 Khan Academy Presents: Variance of a population.

Learn about CA Geometry: Triangles and Parallelograms Channel: 5min.com on AOL Length: 673 Date: June 09, 2010 Khan Academy Presents: CA Geometry: 21-25, triangles and parallelograms

Learn about Trig identies part 3 - part 5 if you watch the proofs Channel: 5min.com on AOL Length: 514 Date: June 09, 2010 Khan Academy Presents: Continuation of the playing around with trig identities

SAT Prep: Test 5 Section 7 Part 1 Channel: 5min.com on AOL Length: 597 Date: June 09, 2010 Khan Academy Presents: SAT Prep: Problems 1-5 starting on page 669

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