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	A coin is tossed 11 times		2002-10-31
		From A student: There are 2 people that are playing a game in which a coin is tossed 11 times. The first player gets a point for a toss of heads. The 2nd player gets a point for a toss of tails. whoever gets 6 points wins. Suppose that so far the first player has 2 points and the second player has 4 points. What is the probability that the first player wins the game? Answered by Andrei Volodin and Penny Nom.
	Mrs. Klein has been losing 1 pound a week for the last year		2002-10-30
		From Brett: On her diet, Mrs. Klein has been losing 1 pound a week for the last year. Her husband weighs 110 pounds more than she does now. If his weight is twice what her weight was 6 weeks ago, how much does mrs. Klein weigh now? Answered by Penny Nom.
	An isosceles triangle		2002-10-30
		From Stan: What two different base lengths can an isosceles triangle have with sides on both remaining at 13 inches? How do I show this? Answered by Paul Betts and Peny Nom.
	A triangular prism		2002-10-30
		From Daniel: I was wondering what a triangular prism was. Answered by Diane Hanson.
	How many empty seats are there?		2002-10-29
		From Ronnie: Three new students arrived in class. Teacher says there are 210 ways you can set. How many empty seats are there in the classroom? After new student are assigned seats, how many empty seats will remain? Answered by Penny Nom.
	Variance		2002-10-29
		From Ade: I am trying to solve a standard deviation question, I have 30 data points to use, should I group the data before solving for variance or should I just use the raw data. Answered by Andrei Volodin.
	Simplifying Variable Expressions		2002-10-28
		From Erika: i would like to ask you a mathematical question on Simplifying Variable Expressions. The question is 2(n-4)+3. Answered by Penny Nom.
	Jimmy's hits		2002-10-27
		From Patty: One seventh of Jimmy's hits were doubles 12.5% of his hits were homeruns Jimmy had 82 singles He did not have any triples How many hits did Jimmy have? (Be sure to include the equation that represents the number of hits) Answered by Penny Nom.
	10 hours before 7:15		2002-10-27
		From Jessica: It is evening 7:15. What time would it be 10 hours earlier? Answered by Penny Nom.
	An identity?		2002-10-27
		From Jenna: I can't prove 1-sinQ 1 ---- = tanQ + --- 1+sinQ cosQ Answered by Penny Nom.
	The four colour theorem		2002-10-27
		From Rhonda: is there an actual equation for the four colour map theorem??? i cannot find it anywhere!! if so can you give a breif description on how it works!! Answered by Penny Nom.
	x 4 + x 5 = 100		2002-10-27
		From Bill: One of my students has stumped me. He asked how to solve the equation 4 x + 5 x = 100 All I can think of are graphing methods to get an approximate solution. What am I missing? Answered by Harley Weston.
	Un triangle équilatéral		2002-10-27
		From Un eleve: Soit ABC un triangle équilatéral construit dans le sens direct. Le point D est symétrique de A par rapport à la droite (BC), et le point E est symétrique de B par rapport au point C. L'intersection des droites (AD) et (BC)est notée H. On pose AB=a. Je dois calculer les longueurs AD et AE en fonction de a. Je dois montrer que le triangle ADE est équilatéral. J'arrive a prouver qu'il est isocèle en E mais j'aimerai trouver que AD=DE. Answered by Claude Tardif.
	What are the digits?		2002-10-24
		From Ebenezer: There are three digits. The middle digit is zero and the sum of the first and last digits are is 13. When the number is reversed it is increased by 297. What are the digits? Answered by Penny Nom.
	Averaging grades		2002-10-24
		From Richard: I'm using a grading program for the first time this year. (ok, that's not a question) I require my students to record their grades in a Scorekeeper when they get them back. I'd like to know if my students can keep up with averaging their grades just as the grading programs automatically averages them when I put them in the spreadsheet. Answered by Penny Nom and Claude Tardif.

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