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	Identifying a conic from its equation		2007-08-19
		From Robin: Hi, Do you have any tips how to identify a conic from its equation? Answered by Leeanne Boehm and Steve La Rocque.
	The change in an average		2007-08-19
		From farah: the average height of a group of 25 students goes up by 2 cm when astudent of height 165 cm replaces a student from the group.what is the height of the boy who went out of the group? Answered by Stephen La Rocque.
	Common factors		2007-08-19
		From John: I have problem factorising 2p^3 - 34p. Please advise me. Answered by Leeanne Boehm, Steve La Rocque and Penny Nom.
	Percentage change		2007-08-19
		From nona: If inputs increase by 30% and outputs increase by 15%, what is the percentage change in productivity? Answered by Stephen La Rocque.
	Two squares		2007-08-18
		From Jerry: The vertex E of a square EFGH is inside a square ABCD. The vertices F, G and H are outside the square ABCD. The side EF meets the side CD at X and the side EH meets the side AD at Y. If EX = EY, prove that E lies on BD. Answered by Chris Fisher.
	Tangents to a circle		2007-08-18
		From Laura: I have tangents from point A and B that intersect at C. A third tangent XY lies in between the two lines that I have already drawn. I measured the perimeter and then I drew another line that was tangent to the circle and was inside the two lines again and measured the perimeter again. The perimeters were the same but I don't know how to prove why this happened and write a theorem for it. Answered by Chris Fisher.
	The weight of a hollow cylinder		2007-08-18
		From chris: how do you find how much a 4 foot diameter cylinder 4ft tall with a thicknees of 6 inches weigh Answered by Stephen La Rocque.
	Re-arranging the alphabet		2007-08-18
		From samhita: Find the number of ways of arranging 26 letters in the English alphabet in a row such that there are exactly 5 letters between x and y. Answered by Stephen La Rocque and Penny Nom.
	Exemples d'équations a résoudre		2007-08-17
		From Stéphanie: j'aimerais connaitre les terme pour désigner pour les chiffres dans l'algèbre et pouvoir avoir quelques exemples d'équations a résoudre!! Answered by Claude Tardif.
	A chord of a parabola		2007-08-17
		From Robin: I am going to show that the chord PtPt' of the parabola has the equation 2x-y(t+t')+2att' A point on the parabola can be represented as Pt= (at2, 2at). Answered by Penny Nom.
	How much water is this?		2007-08-16
		From Judy: Have an area 731 sq. ft with 5" of water all the way around. How many gallons is this? Your help is appreciated. Answered by Stephen La Rocque.
	Relations and functions		2007-08-16
		From virginia: determine whether each relation is a function provide reasons for identifying relation (3, 4) (5, 9) (9, 9) (2, 3) (0, 0) (0, 1) (1, 4) (2, 4) (2, 1) (4, 5) (8, 4) (1, 0) (8, 3) (8, 0) (7, 7) (4, 7) Answered by Steve La Rocque.
	6 digit combinations		2007-08-16
		From steve: how many 6 digit combinations are there (using a number only once) are there using numbers 1-16 Answered by Penny Nom.
	Safe diving hours		2007-08-16
		From San: At a popular pier, the average depth of the water at low tide is 1m. The average depth of the water at high tide is 8m. One complete cycle takes 12h. Given by the equation of y=3.5cosPi/6t+4.5 where y is the height of the tide in (m) and t is the time in (hour) *many people dive from this pier during the day. If the water must be at least 3m deep to dive safely, between what daylight hours should people dive? Answered by Stephen La Rocque.
	Breaking even		2007-08-16
		From virginia: a company that manufactures bikes has a fixed cost of $100,000.00 it costs $100 to produce each bike. the selling price per bike is $300.00 write the cost function, c write the revenue function, r determine the break even point Answered by Leeanne Boehm and Steve La Rocque.

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