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	Sagitta		2009-09-10
		From Robert: Can you please tell me if there is a formula to figure out the Sagitta of an arc when you know the radius, chord length, and arc length? Answered by Chris Fisher and Harley Weston.
	The volume of a closed 3D mesh object		2009-09-10
		From Ozen: I want to calculate the volume of a closed 3D mesh object having a surface made up triangles. Answered by Robert Dawson.
	4 number combinations		2009-09-10
		From jeremy: Here's my question... I've been playing the lottery, I know what a waste of time. I would like to know how many 4 number combinations can be derived from a set of 10 numbers, when no number can be repeated in the present string of 4 numbers being selected. Answered by Robert Dawson and Harley Weston.
	Bisecting rays		2009-09-09
		From frank: Ray OC bisects angle AOB, ray OD bisects angle AOC, ray OE bisects angle AOD, ray OF bisects angel AOE, and ray OG bisects angle FOC: if angle BOF=120 degrees, then find angle DOE? Confused! Answered by Penny Nom.
	Exponential form		2009-09-08
		From hanna: hi, well i am really bad in math and i have a math paper and i was just wondering what 3x3x3x3x3 was in exponential form and what is exponential in a way a person like me would understand? Answered by Penny Nom.
	A ladder leaning against a wall		2009-09-08
		From Mackenzie: A 7 foot long ladder is leaning against the building. The foot of the ladder is 2 feet from the base of the building. How far up the wall is the top of the ladder? Answered by Stephen La Rocque.
	A circular border around a pool		2009-09-08
		From Calvin: A pool in the shape of a circle measures 10 feet across. One cubic yard of concrete is to be used to create a circular border of uniform width around the pool. If the border is to have a depth of 3 inches, how wide will the border be? ( 1 cubic yard=27 cubic feet ) Answered by Stephen La Rocque.
	Helen has twice as many dimes as nickles.		2009-09-08
		From Dan: Helen has twice as many dimes as nickles. She has 5 more quarters than nickles. She has $4.75. How many nickles does she have? I know she has 14 dimes, 7 nickles and 12 quarters. How do you put this into an algebra equation? Answered by Stephen La Rocque.
	A triangle on a sphere		2009-09-07
		From Rohit: How do I find the angles of a triangle drawn on a sphere (spherical triangle)? Answered by Chris Fisher.
	f(x + h)-f(x)		2009-09-07
		From Marie: For each function defined as follows, find a.) f (x+h) b. f(x+h)-f(x) c. [f(x+h)- f(x)]/h. Problem: f(x)= -1/ x^2. Answered by Harley Weston.
	10 golfers		2009-09-06
		From Bill: We have 10 golfers scheduled to play over five days on vacation in November. Each day we will play in three groups of three and one foursome. Is there an optimum solution that would assure that every golfer plays with every other golfer at least once while no golfer plays an inordinate number of times with any other golfer or too often in a foursome? Answered by Victoria West.
	Divide and reduce to lowest terms.		2009-09-06
		From Karen: Divide and reduce to lowest terms. Use the cancellation technique as needed 4 2/3 divided by 12 14/3 divided by 12/1 not sure wheer to go from here with the cancellation technique Answered by Penny Nom.
	4 couples seating themselves at a round table		2009-09-04
		From Hui: Q: 4 couples seating themselves at a round table. Men must seat together and women seat together. How many ways are there? Answer in the printed text is 576. I got 144. Pls advice. Answered by Claude Tardif.
	Paddling downstream		2009-09-04
		From Nicole: You head downstream on a river in a canoe. You can paddle at 6 km/h and the river is flowing at 2.4 km/h. How far downstream will you be in 55 minutes? Answered by Penny Nom.
	A three digit number		2009-09-04
		From Mark: How many 3 digit positive integers are odd and do not contain the digit 5? Answered by Penny Nom.

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