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A history of the development of Pascal's triangle in its various manifestations
A barrel has various holes in it. The fist hole empties the barrel in three days...
The square root of half the number of bees in a swarm has flown out upon a jessamine bush; 8/9 of the swarm has remained behind.
A man agreed to pay for 13 valuable houses worth $5000 each, what the last would amount to, reckoning 7 cents for the first, 4 times 7 cents for the second, and so on, increasing the price 4 times on each to the last.

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

This meeting will take place at the MAA Carriage House in Washington, DC on April 19, 2008.
A wooden log is encased in a wall. If we cut part of the wall away to a depth of 1 inch...
The triangle ABC has a right angle at C. Show that 1/ED=1/AC+1/AB
A square walled city measures 10 li on each side. At the center of each side is a gate. Two persons start walking from the center of the city.
A tree is 20 feet tall and has a circumference of 3 feet. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine?