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	Numbers or Percentage or probability or what?		2009-01-07
		Chew pose la question : Teacher A teaches 50 students and 45 of them obtained straight As. Teacher B teaches 5 students and 5 of them obtained straight As. Which teacher would you send you child to and why? Robert Dawson and Harley Weston lui répond.
	An area of 64cm squared and a perimeter of 64 cm.		2009-01-07
		Dale pose la question : i need to draw an object that has an area of 64cm squared and a perimeter of 64 cm. Can you help me out...... Robert Dawson lui répond.
	The area of a region bounded by two curves		2009-01-07
		Rogerson pose la question : Find the area, S, enclosed by the given curve(s) and the given line. y = x^2 - x - 1, y = x+2 Harley Weston lui répond.
	A union B and A intersect B		2009-01-07
		Jim pose la question : Suppose A and B are sets and (A union B) = (A intersect B). Is it true that A=B. Penny Nom lui répond.
	The volume and surface area of a sphere		2009-01-07
		destini pose la question : the volume of a sphere is equal to its surface area. what is its radius Chris Fisher lui répond.
	30% profit		2009-01-06
		bob pose la question : this is a basic question that I just can't get thru my head. I know all my cost for a product, if I want to sell at a given profit can I divide by a given number, example for 30 % divide by .7 or do I multiply? Is there a simple answer for this? Sure would make my work a lot easier. Thank you for your time Puzzled in Ohio Penny Nom lui répond.
	A kennel with 3 individual pens		2009-01-06
		Jean pose la question : An animal clinic wants to construct a kennel with 3 individual pens, each with a gate 4 feet wide and an area of 90 square feet. The fencing does not include the gates. Write a function to express the fencing as a function of x. Find the dimensions for each pen, to the nearest tenth of a foot that would produce the required area of 90 square feet but would use the least fencing. What is the minimum fencing to the nearest tenth? Harley Weston lui répond.
	Filling a round hole		2009-01-06
		Kathy pose la question : I need to fill a hole that is 24 feet round x 12 inches deep. How much dirt will I need? Robert Dawson lui répond.
	The factors of an integer		2009-01-06
		Madison pose la question : what are the factors of 878 Robert Dawson lui répond.
	Un volume d'une capacité minimal		2009-01-05
		Pauline pose la question : je doit faire un volume d'une capacité minimal de 2500 cm 3 en quell matiere que ce soit * un prisme a base pentagonale non réguliere * une sphere * stella octangula Pierre-Louis Gagnon lui répond.
	Trig identities		2009-01-05
		Michael pose la question : 1) Determine if the following is an identity. If it is, prove it, If it isn't state it. tan x + cot x = sec x * csc x and 1 - (cos^2) x = 1+ (cot^2) x Robert Dawson and Harley Weston lui répond.
	y varies jointly as x and the square of z and...		2009-01-05
		peter pose la question : I don't really get the terms in this problem. Could you explain it: If y varies jointly as x and the square of z and inversely as the cube of w, by what factor is y increased when z is doubled and w is divided by 3 and x remains the same? Harley Weston lui répond.
	A 4-digit number		2009-01-05
		Anya pose la question : It is a 4-digit number The tens are double the ones. The thousands are double the tens. The sum of the digits is 19. What number is it? Penny Nom lui répond.
	The area enclosed by a curve and the x-axis		2009-01-04
		Rogerson pose la question : Find the area, S, enclosed by the curve y = -x^2 + 6x - 5 and the x-axis in the interval 0≤x≤4. Harley Weston lui répond.
	Determine y'' by implicitly differentiating twice		2009-01-04
		Walter pose la question : Given x^3 - 3xy + y^3 = 1 , determine y'' by implicitly differentiating twice. I cannot solve this. Would you be kind enough to perform the mathematics and show the steps involved in obtaining the solution? Harley Weston lui répond.

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