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	Cognitive development as related to learning mathematics		1999-08-04
		From Chris Ahlman: I am doing an independent study for my Math theory course at Evergreen State College, WA. I am looking into teaching Math to elementary students "as a language". I need information on cognitive development to tie to this idea of language development. I only know of Piaget. There must be others who are more recent. Can you help? Answered by Walter Whiteley.
	Cleaning an Ellipse		1999-07-29
		From Mark Salter: Hello hope some one can help. We need to clean an elipse and then paint it. We need to know the square foot of the job and the job is an elipse which rises 2 ft. is 12 ft wide and is 36 ft long. Answered by Harley Weston.
	Geometry		1999-07-29
		From Jessica: How do you even do Geometry. Like what do you need to learn first and like a step by step plan.I realy need help I need it before school starts PLEASE!!!!!!!!! Answered by Walter Whiteley.
	A difference of squares problem.		1999-07-24
		From Michael and Stephanie Bixler: If you have the equation x= n2 - m2 (ie 40= 72-32= 49-9) x must = a positive number 1) which squared numbers work as n and m 2) how does it work 3) if my teacher gave me the number for x; how could I figure out this problem Answered by Harley Weston.
	A calculus problem		1999-07-22
		From Nicholas Lawton: The curve y= e^x(px^2+qx+r) is such that the tangents at x=1 and x=3 are parallel to the x-axis. the point (0,9) is on the curve. Find the values of p,q and r. Answered by Harley Weston.
	Infinity Symbol		1999-07-13
		From Mark E. Kelly: There is a symbol that looks like a sideways 8 that is used to represent infinity. Does it have a name? Answered by Doug Farenick and Penny Nom.
	Standard Deviation		1999-07-11
		From Anthony Fama: I have seen several answers to this question: If one standard deviation represents 68% of the population, what does two, three, four and five sigma [std deviation] represent? As stated, I have seen several different answers and thus, the impetus for my question. Answered by Harley Weston.
	The number of acres in a square mile		1999-07-09
		From Rita Murphy: What is the # of acres in square mile Answered by Harley Weston.
	An Acre.		1999-07-02
		From Walker Runnels: What is the outside measurements of an acre? (ie. x ft. X x ft.) Answered by Penny Nom.
	Compound Interest		1999-07-01
		From Kim Palmer: In early 1997, my son borrowed $4831 at 7.5%. He has made 30 monthly payments of $130 each. He is now in a position to pay off the balance. What is his remaining principal? Answered by Penny Nom.
	The shortest ladder		1999-06-26
		From Nicholas: A vertical wall, 2.7m high, runs parallel to the wall of a house and is at a horizontal distance of 6.4m from the house. An extending ladder is placed to rest on the top B of the wall with one end C against the house and the other end, A, resting on horizontal ground. The points A, B, and C are in a vertical plane at right angles to the wall and the ladder makes an angle@, where 0<@ Answered by Harley Weston.
	Scheduling Meetings		1999-06-25
		From Beth Carver: We have 6 groups meeting at three different places simultaneously. The meetings take place once a month each year. Is there a way to have each group meet with each of the other groups at least twice in a year, four times in each place? Answered by Chris Fisher and Harley Weston.
	Computer use in mathematics classrooms.		1999-06-23
		From Rosemary Greer: Can you give me any information, either articles or the names of books, concerning the use of computers in the math classroom? Answered by Lillian Perivolaris.
	Staying under budget.		1999-06-22
		From Chris: If I had $147.69 and I had to buy 200 bannas at $.46 & 100 potatos at $.42 each how do I stay under my buget Answered by Penny Nom.
	Sin 4A		1999-06-22
		From Ryan Cochrane: If sinA = 4/5, and A is a first quadrant angle, find sin4A Answered by Harley Weston.

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