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	Proof that any side of a triangle is less than half the perimeter.		2007-07-07
		From Omkar: Any side of a triangle is smaller than half of its perimeter, prove this in short ? Answered by Stephen La Rocque.
	Five button push lock		2007-07-06
		From Jeffrey: We have a 5 button push lock and we were wondering how many different codes were possible in this situation. In this lock each button can only be pressed once (ie it's not a numbered key pad) and order matters. How would we find out the # of possible codes? Answered by Stephen La Rocque.
	Can't find circumference of an ellipse		2007-07-06
		From Michele: I need to figure the circumference of an oval and I know the height and width. Answered by Penny Nom.
	Surface area of a coin		2007-07-05
		From Anne: Assuming both sides of a coin are identical, and a line tangent to the inner circle is 23 mm from edge to edge of the coin, and excluding the edge of the coin in the calculation, what is the surface area of the coin, in square millimetres? Answered by Stephen La Rocque.
	Trig identities		2007-07-05
		From Alex: Use the identities tan_=sin_/cos_ and/or sin*_+cos*_=1 to simplify 1-cos*_ Answered by Stephen La Rocque.
	Finding the radius of an inscribed circle		2007-07-05
		From Maria: I need to find the radius of a circle which is inscribed inside an obtuse triangle ABC. I know all the angles and all the lengths of the triangle. Answered by Stephen La Rocque and Chris Fisher.
	How to convert fractions to percentages		2007-07-05
		From Anita: How do I turn 1 3/20 to a percent? Answered by Stephen La Rocque and Melanie Tyrer.
	Using calculus to prove the formula for the area of a triangle		2007-07-04
		From Apratim: Using calculus how can one show that the area of any triangle is 1/2 times its base times its height? Answered by Stephen La Rocque.
	Tons of concrete		2007-07-03
		From Trey: I have 300,000 square feet of concrete and want to know how to convert this to tons? Answered by Harley Weston.
	How many ounces in 782 cubic centimetres?		2007-07-03
		From wilma: how many ounces in 782cubic centimetres Answered by Penny Nom.
	An irregular hexagon		2007-07-03
		From Rebecca: I need to find the shape of an irregular hexagon, but only have the lengths four of the sides. It actually looks like a rectangle with a trapezoid on top of it. The bottom of the rectangle is 150'. The sides are 75'. The length of the top is 130'. I do not have the lengths of the two smaller sides. Is there any way to find the area of this shape? Answered by Penny Nom.
	A statistical difference		2007-07-03
		From a student: I am writing a paper for a grad class in which I am comparing achievement levels of boys and girls. I have data that shows the average marks for girls and boys in each grade 12 subject for the entire province. My prof want me to show there is a statistical difference. What do I have to do to show this? I don't have access to the raw data, so don't know the SD. Is there anything I can do mathematically with the data that I have? (I can determine n for each set of data, it ranges between 2400 and about 13000 for each subject area.) Answered by Chris Fisher and Harley Weston.
	The volume of a pool		2007-07-03
		From maria: we have a pool that is 2 feet by 5 feet by 3 1/2 feet - how many gallons of water does it hold Answered by Stephen La Rocque.
	I need to provide 712 cubic feet to water storage capacity		2007-07-03
		From William: I need to provide 712 cubic feet to water storage capacity. If I use 15 inch diameter pipe, what would the length need to be to provide the capacity? Answered by Stephen La Rocque.
	A square and an equilateral triangle have the same perimeter.		2007-07-02
		From eve: I am trying to help my daughter with the following problem: A square and an equilateral triangle have the same perimeter. The sum of one side of the square and one side of the triangle equals 28 cm. Find the sides of the figures. Answered by Penny Nom.

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