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	A line parallel to a plane		2006-03-28
		From Ryan: I was wondering how I would prove the following theorem. I am completely lost at this point and all my other ideas have been extremely complicated and somewhat blurry. "Through a point outside a given plane, there is at least one line parallel to the given plane." Answered by Chris Fisher.
	If you pile the 4 bricks on top of each other ...		2006-03-27
		From Mike: You have 4 bricks each with dimensions of 4" X 5" X 9". If you pile the 4 bricks on top of each other to form a tower how many different tower heights can be achieved? All four bricks must be used in each tower. Answered by Claude Tardif.
	Permutations and probability		2006-03-27
		From Alyssa: I am a high school student, my teacher gave the class a worksheet on permutations and probability and told us to do independent work when we have not covered the material yet and he will not answer any questions. I am lost and don’t know where to begin. Can you help? 1. Find the number of 6-letter permutations of all the letters in EUCLID that end with either the letter E or the letter D? Aluminum chips A, B. C, and D weigh 1g. 5g. 10g. and 20g. respectively. How many different masses can be measured by using one or more of the 4 weighs on a balance scale? Answered by Stephen La Rocque.
	The area of a triangle		2006-03-26
		From Colby: the length of one side of a triangle is 2cm less than twice the length of the altitude to that side. the area of the triangle is 30 cm squared. find the length of the altitude. first of all, what is an altitude? and how do i find it? Answered by Penny Nom.
	Adding fractions		2006-03-26
		From Barbara: I know that to subtract 1/4 from 2/3 I must find a common denom. Now the 2/3 becomes 8/12.....i understand the 12, but where does the 8 come from? Answered by Penny Nom.
	Solve the equation cos x = sin 20 where x is acute.		2006-03-26
		From Elle: Solve the equation cos x = sin 20 where x is acute. Answered by Stephen La Rocque.
	The area of a block of land		2006-03-26
		From Ronald: I have a building block of land with four unequal sides and only one right angle. I want to know the total area (in metres) and how the calculations were carried out. The four sides are: Rear of property: 9.14 metres left side: 36.9 metres Right side: 32.61 Metres front to street: 27.43 Metres The front to street and right side constitute a right angle. but there are no others. Answered by Penny Nom.
	Can an equilateral triangle have an obtuse angle?		2006-03-26
		From Chris: Can an equilateral triangle have an obtuse angle? I'm thinking not, because all sides must be equal, but does that also imply that all angles are equal? Answered by Stephen La Rocque.
	A scale factor		2006-03-25
		From Jackie: I need a formula or step by step help to show my child how to find missing dimensions for example: The scale factor for a model is 10 inches = ________ feet Model 39.7 in Actual 11.9 ft Answered by Penny.
	what is 9x3h for h = 2		2006-03-25
		From Dillon: what is 9x3h for h = 2 just don't get it. Answered by Penny Nom.
	Acres		2006-03-25
		From Judy: How do you turn land measurements into acres Such as piece of property is 45 x 167 Answered by Penny Nom.
	The cartesian product of a countably infinite collection of countably infinite sets		2006-03-25
		From Geetha: Is the cartesian product of a countably infinite collection of countably infinite sets countable infinite? Answered by Penny Nom.
	How much fabric do I need?		2006-03-25
		From Michelle: I AM DECORATING A STAGE FOR A BOARD OF DIRECTORS MEETING AND I NEED TO BUY FABRIC AND I DON’T WANT TO WASTE $$ BY BUYING TOO MUCH FABRIC OR NOT ENOUGH FABRIC. THE AREA THAT I’M NEEDING MATERIAL FOR IS, 12ft HIGH BY 34ft WIDE. THE FABRIC COMES IN ROLLS OF 60” (inches) x 100 yards. SO HOW MUCH FABRIC SHOULD I NEED TO FOR THE AREA I’M WANTING TO COVER? Answered by Stephen La Rocque and Penny Nom.
	Two squares		2006-03-25
		From Debbie: A small square is constructed. Then a new square is made by increasing each side by 2 meters. The perimeter of the new square is 3 meters shorter than 5 times the length of one side of the original square. Find the dimension of the original square Answered by Stephen La Rocque.
	Four digit numbers		2006-03-25
		From Kenvin: i was wondering how many possibilities is there for a four digit number with the same first two numbers and the last two is not one of the first with numbers 1-9 Answered by Stephen La Rocque.

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