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	A proof by induction		2006-04-09
		From Sharon: prove by induction: For every n>1, show that 2 + 7 + 12 + ...+ (5n-3) = n(5n-1)/2 Answered by Penny Nom.
	Given three angles and a side		2006-04-09
		From Jon: How do you figure out the length of all sides of a scalene triangle if given the measure of all angles, and one side? Answered by Stephen La Rocque.
	The sum of a three digit number and its three individual digits is 429		2006-04-08
		From Megan: Gill has recently moved to a new house, which has a three- digit number. the sum of this number and its three individual digits is 429. What is the product of the three digits which make up the house number? Answered by Chris Fisher.
	An octagon shaped soffit		2006-04-08
		From Ken: I am trying to make an octagon shaped soffit in my ceiling and need help figuring how to divide the circle on the ceiling into an octagon- The circle is 7 foot in diameter. Answered by Penny Nom.
	How many billions make a trillion?		2006-04-08
		From Bill: How many billions make a trillion? Answered by Penny Nom.
	Markup		2006-04-07
		From Larry: Calculators from different manufacturers work differently. Enter 100, then plus 15%, on some calculators you'll get 115 on others return 117.65 . On any calculator, enter 100, then divide by 0.85 (point 85) and you'll get 117.65 . I don't understand this well enough to explain to my grandson, but as a salesman, I know which one to use. Answered by Penny Nom.
	Ordre des opérations		2006-04-07
		From Chantal: 1435/5x2-364= j'aimerais savoir la reponse et que veux dire la barre / Answered by Claude Tardif.
	Two circles		2006-04-07
		From Louisa: One circle of radius 7cm is touching another circle of radius 4cm. These circles are on a line and the problem is to find the length AB where A is the point marking the bottom of the radius of one circle and B is the point marking the bottom of the radius of the other circle. Answered by Stephen La Rocque.
	How many people are in the race?		2006-04-07
		From Marty: You're in a race with 1/5 of the racers ahead of you and 5/6 of them behind you. How many people are in the race? Answered by Penny Nom.
	Finding the side of a triangle		2006-04-06
		From Carole: okays, well, im having difficulty finding the side of a triangle. It is a right triangle and the information given is that the hypotonous is 24 and the angle adjacent to the 90 degree is 32. Im trying to find X, which is placed on the bottom leg of the triangle, and have no idea how to do it. can you explain to me how to get the answer, please? i'd like to know for future reference, please. thank you. Answered by Stephen La Rocque.
	A region described by the lengths of four sides		2006-04-06
		From Mark: I have an area that is 77ft in length at the top, 83ft at the base. One side is 46ft and the other side is 20ft. What will be the square feet for this area? Answered by Stephen La Rocque.
	Interest computed on a 360 per year basis		2006-04-06
		From Sonya: Okay, I am reading this promissory note that says interest is computed on 365/360 basis by applying the ratio of annual interest rate (24%) over a year of 360 days. I sure do not remember anything like this in school, and am stumped. Answered by Stephen La Rocque.
	Degrees and grads		2006-04-06
		From Nazanin: which angle if you add 15 to its degree we can find its measure by grad? Answered by Stephen La Rocque.
	The average of monthly averages		2006-04-06
		From Ray: I have the averages of some data in percentages. the data is rather large, how can i find the average of these averages without going back to the original data? Is there a Factor or Constant that i could multiply or devide or add and get the average of these averages without resorting to the raw data. Answered by Steve La Rocque and Harley Weston.
	x^2+2x-3 is a factor f(x)=x^4+2x^3-7x^2+ax+b		2006-04-06
		From Maha: Given that x2+2x-3 is a factor f(x)=x4+2x3-7x2+ax+b, find a and b and hence factor f(x) completely. Answered by Penny Nom.

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