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• 19:04, 14 April 2010 (diff | hist) . . (+20)‎ . . Ptolemy's Theorem ‎ (→‎Cyclic hexagon)
• 19:01, 14 April 2010 (diff | hist) . . (+2)‎ . . Ptolemy's Theorem ‎ (→‎Cyclic hexagon)
• 19:00, 14 April 2010 (diff | hist) . . (+2)‎ . . Ptolemy's Theorem ‎ (→‎Cyclic hexagon)
• 19:00, 14 April 2010 (diff | hist) . . (+476)‎ . . Ptolemy's Theorem ‎ (→‎Cyclic hexagon)
• 10:07, 11 April 2010 (diff | hist) . . (+2)‎ . . Ptolemy's Theorem ‎ (→‎Cyclic hexagon)
• 10:06, 11 April 2010 (diff | hist) . . (+137)‎ . . Ptolemy's Theorem ‎ (→‎Problems)
• 09:10, 14 March 2010 (diff | hist) . . (-1)‎ . . 1984 AIME Problems/Problem 8 ‎ (→‎Solution)
• 09:09, 14 March 2010 (diff | hist) . . (-13)‎ . . 1984 AIME Problems/Problem 8 ‎ (→‎Solution)
• 09:09, 14 March 2010 (diff | hist) . . (+23)‎ . . 1984 AIME Problems/Problem 8 ‎ (→‎Solution)
• 08:44, 14 March 2010 (diff | hist) . . (+241)‎ . . 1984 AIME Problems/Problem 8 ‎ (→‎Solution)
• 08:41, 14 March 2010 (diff | hist) . . (-1)‎ . . 2007 AMC 12A Problems/Problem 18 ‎ (→‎Solution)
• 16:28, 15 February 2010 (diff | hist) . . (0)‎ . . N File:AMC8 2007 11S.png ‎ (current)
• 16:28, 15 February 2010 (diff | hist) . . (+932)‎ . . N 2007 AMC 8 Problems/Problem 11 ‎ (Created page with '== Problem == Tiles <math>I, II, III</math> and <math>IV</math> are translated so one tile coincides with each of the rectangles <math>A, B, C</math> and <math>D</math>. In the …')
• 16:20, 15 February 2010 (diff | hist) . . (+24)‎ . . 2007 AMC 8 Problems/Problem 10 ‎ (→‎Solution)
• 16:19, 15 February 2010 (diff | hist) . . (+569)‎ . . N 2007 AMC 8 Problems/Problem 10 ‎ (Created page with '== Problem == For any positive integer <math>n</math>, <math>\boxed{n}</math> to be the sum of the positive factors of <math>n</math>. For example, <math>\boxed{6} = 1 + 2 + 3 +…')
• 16:16, 15 February 2010 (diff | hist) . . (+15)‎ . . 2007 AMC 8 Problems/Problem 9 ‎ (→‎Solution)
• 16:16, 15 February 2010 (diff | hist) . . (+733)‎ . . N 2007 AMC 8 Problems/Problem 9 ‎ (Created page with '== Problem == To complete the grid below, each of the digits 1 through 4 must occur once in each row and once in each column. What number will occupy the lower right-hand square…')
• 16:10, 15 February 2010 (diff | hist) . . (0)‎ . . N File:AMC8 2007 8S.png ‎ (current)
• 16:10, 15 February 2010 (diff | hist) . . (+45)‎ . . 2007 AMC 8 Problems/Problem 8 ‎ (→‎Solution)
• 16:07, 15 February 2010 (diff | hist) . . (+846)‎ . . N 2007 AMC 8 Problems/Problem 8 ‎ (Created page with '== Problem == In trapezoid <math>ABCD</math>, <math>AD</math> is perpendicular to <math>DC</math>, <math>AD</math> = <math>AB</math> = <math>3</math>, and <math>DC</math> = <mat…')
• 16:00, 15 February 2010 (diff | hist) . . (+322)‎ . . 2007 AMC 8 Problems/Problem 7 ‎ (→‎Solution)
• 15:55, 15 February 2010 (diff | hist) . . (+592)‎ . . N 2007 AMC 8 Problems/Problem 7 ‎ (Created page with '== Problem == The average age of <math>5</math> people in a room is <math>30</math> years. An <math>18</math>-year-old person leaves the room. What is the average age of the fou…')
• 15:50, 15 February 2010 (diff | hist) . . (0)‎ . . N File:AMC8 2007 25.png ‎ (current)
• 15:50, 15 February 2010 (diff | hist) . . (+667)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 25)
• 15:47, 15 February 2010 (diff | hist) . . (+453)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 24)
• 15:46, 15 February 2010 (diff | hist) . . (0)‎ . . N File:AMC8 2007 23.png ‎ (current)
• 15:45, 15 February 2010 (diff | hist) . . (+257)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 23)
• 15:43, 15 February 2010 (diff | hist) . . (0)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 22)
• 15:41, 15 February 2010 (diff | hist) . . (-38)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 22)
• 15:41, 15 February 2010 (diff | hist) . . (+567)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 22)
• 15:21, 15 February 2010 (diff | hist) . . (+422)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 21)
• 15:19, 15 February 2010 (diff | hist) . . (+40)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 20)
• 15:11, 15 February 2010 (diff | hist) . . (+696)‎ . . N 2007 AMC 8 Problems/Problem 6 ‎ (Created page with '== Problem == The average cost of a long-distance call in the USA in <math>1985</math> was <math>41</math> cents per minute, and the average cost of a long-distance call in the …')
• 15:02, 15 February 2010 (diff | hist) . . (+857)‎ . . N 2007 AMC 8 Problems/Problem 5 ‎ (Created page with '== Problem == Chandler wants to buy a <math>\</math><math>500</math> mountain bike. For his birthday, his grandparents send him <math>\</math><math>50</math>, his aunt sends him…')
• 14:56, 15 February 2010 (diff | hist) . . (+596)‎ . . N 2007 AMC 8 Problems/Problem 4 ‎ (Created page with '== Problem == A haunted house has six windows. In how many ways can Georgie the Ghost enter the house by one window and leave by a different window? <math>\mathrm{(A)}\ 12 \qqu…')
• 14:52, 15 February 2010 (diff | hist) . . (-44)‎ . . 2007 AMC 8 Problems/Problem 2 ‎ (→‎Problem)
• 14:52, 15 February 2010 (diff | hist) . . (-44)‎ . . 2007 AMC 8 Problems/Problem 3 ‎ (→‎Problem)
• 14:51, 15 February 2010 (diff | hist) . . (+447)‎ . . N 2007 AMC 8 Problems/Problem 3 ‎ (Created page with '== Problem == What is the sum of the two smallest prime factors of <math>250</math>? <math>\mathrm{(A)}\ 2 \qquad\mathrm{(B)}\ 5 \qquad\mathrm{(C)}\ 7 \qquad\mathrm{(D)}\ 10 \q…')
• 14:47, 15 February 2010 (diff | hist) . . (-17)‎ . . 2007 AMC 8 Problems/Problem 2 ‎ (→‎Solution)
• 14:46, 15 February 2010 (diff | hist) . . (+13)‎ . . 2007 AMC 8 Problems/Problem 2 ‎ (→‎Solution)
• 14:46, 15 February 2010 (diff | hist) . . (+814)‎ . . N 2007 AMC 8 Problems/Problem 2 ‎ (Created page with '== Problem == <math>650</math> students were surveyed about their pasta preferences. The choices were lasagna, manicotti, ravioli and spaghetti. The results of the survey are dis…')
• 14:40, 15 February 2010 (diff | hist) . . (+14)‎ . . 2007 AMC 8 Problems/Problem 1 ‎ (→‎Solution)
• 14:40, 15 February 2010 (diff | hist) . . (0)‎ . . 2007 AMC 8 Problems/Problem 1 ‎ (→‎Solution)
• 14:40, 15 February 2010 (diff | hist) . . (+3)‎ . . 2007 AMC 8 Problems/Problem 1 ‎ (→‎Solution)
• 14:39, 15 February 2010 (diff | hist) . . (+207)‎ . . 2007 AMC 8 Problems/Problem 1 ‎ (→‎Solution)
• 14:36, 15 February 2010 (diff | hist) . . (+651)‎ . . N 2007 AMC 8 Problems/Problem 1 ‎ (Created page with '== Problem == Theresa's parents have agreed to buy her tickets to see her favorite band if she spends an average of <math>10</math> hours per week helping around the house for <m…')
• 14:30, 15 February 2010 (diff | hist) . . (+331)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 19)
• 14:30, 15 February 2010 (diff | hist) . . (+331)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 20)
• 14:28, 15 February 2010 (diff | hist) . . (+91)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 18)
• 14:28, 15 February 2010 (diff | hist) . . (-3)‎ . . 2007 AMC 8 Problems ‎ (→‎Problem 18)

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