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	A rectangular pen		2009-08-13
		From Kari: A rectangular pen is to be built using a total of 800 ft of fencing. Part of this fencing will be used to build a fence across the middle of the rectangle (the rectangle is 2 squares fused together so if you can please picture it). Find the length and width that will give a rectangle with maximum total area. Answered by Stephen La Rocque.
	Fitting the curve y=a*exp(b*x)+c		2009-08-12
		From aika: Could one show me the complete algorithm and formula for finding the coefficients (a,b, and c) in exponential regression model y=a*exp(b*x)+c Answered by Robert Dawson.
	Solve for s		2009-08-12
		From Michelle: My daughter and I are having trouble with this problem...All it says i solve thr formula for the indicated variable. Height of an Equilateral Triangle. Solve for s: H= square root of 3/2 * S Answered by Penny Nom.
	The volume of a telephone pole		2009-08-11
		From robert: 12.5"@ base x 7" @ top and 40' height. How would I find the volume in cubic feet for a telephone pole with these dimensions? Answered by Harley Weston.
	The volume of a tapered pole		2009-08-09
		From robert: what is the formula to use to come up with cubic feet in a tapered pole Answered by Harley Weston.
	Gravel in an aquarium		2009-08-09
		From Bev: Hi...I worked this part out, but want to know how many kilograms of gravel I will need...thanks Bev Cylinder shape. A cylindrical shape that has a radius of 82 centimeters and a depth of 7 centimeters has a volume of: Volume = 0.14787 cubic meters = 147870 cubic centimeters = 0.1934 cubic yards = 5.2219 cubic feet = 9023.5 cubic inches = 39.063 U.S. gallons = 147.87 liters * calculations accurate to 5 decimal places of precision Answered by Harley Weston.
	The leaning tower of Pisa		2009-08-09
		From MF: Would you have any idea how the 'latitude of 44 degrees N" has anything to do with this question and how I would apply it? The leaning tower of Pisa leans toward the south at an angle of 5.5 degrees. One day near noon its shadow was measured to be 84.02 m long and the angle of elevation from the tip of the shadow to the top of the tower was measured as 32.0 degrees. To answer the question, assume that the tower is like a pole stuck in the ground, it has negligible width. Also, it is important to know that Pisa Italy is at a latitude of approx 44 degrees North because this affects the direction of the shadow.) Answered by Stephen La Rocque.
	Two cars		2009-08-09
		From Jayna: If a car was traveling 20mph east and another car was traveling 30mph west, assuming they were 300 miles apart, at what point would they collide at the center? Answered by Penny Nom.
	Subtraction base 5		2009-08-09
		From Nikki: can you help me how to do subtraction in base 5 notation. example is 3434 - 51? how do you do this in base 5? can you please explain how you do this & the answer as i have no idea. Thank you kindly Nikki Answered by Harley Weston.
	An isosceles triangle		2009-08-09
		From Megan: Find the perimeter of an isosceles triangle with a verticle angle of 100 degrees and a base of 25 cm. I think I could answer this if I knew what a verticle angle was. Thanks Answered by Stephen La Rocque.
	Trigonometrie		2009-08-07
		From Michaël: Bonjour, Je cherche a vérifié cette relation de trigo, Tan^2x = Sin^2x +Sin^2x*Tan^2x. après de nombreux essais, j'arrive à ce résultat: Tan^2= 1-cos^2x + 1-cos^2x*(sin^2x/cos^2x) Merci de votre aide Answered by Claude Tardif.
	Eye Height Level Found from Visual Angle		2009-08-07
		From Jolie: Hello, I am trying to figure out what height from the ground a person's eyes are if they have a 12 degree visual angle to a screen that is 58cm away from their eyes? Thank you. Answered by Janice Cotcher.
	An infinite set		2009-08-07
		From Islam: How can I prove that the set of all odd natural numbers is an infinite set. Thank you. Answered by Robert Dawson.
	The length of tape on a reel		2009-08-06
		From Philiip: What diameter reel would be required to roll up 1000 meters of tape that is 0.01 mm thick such that the final role left 10 mm empty space between the top of the roll and the outside of the reel, the hup that the tape was wound on was 2 cm? Answered by Stephen La Rocque.
	Number of Concrete Blocks		2009-08-06
		From Simone: Hi there, I have a quote to complete and I need to figure out the formula that will tell me how many concrete blocks I need to cover a certain area. Blocks can either be 8in or 12in. The area that I am looking to cover with blocks is 30182 sq ft. Thank you for your assistance. Answered by Janice Cotcher and Stephen La Rocque.

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