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	Factoring cubics and quartics		2010-09-29
		From Tori: How do you factor these types of questions: * x^3 - 4x^2 - x + 4 *2x^3 - 3x^2 - 4x - 6 *x^4 - 15x^2 - 16 Answered by Robert Dawson.
	limit as x approaches a of ((x^(1/2))-(a^(1/2)))/(x-a)?		2010-09-29
		From emily: limit as x approaches a of ((x^(1/2))-(a^(1/2)))/(x-a)? Answered by Penny Nom.
	A limit		2010-09-27
		From norma: I have a problem like this one but I can get it right. please help me to answer find the constant a such that the function is continuous on the entire line. g(x)= {x^2 - a^2 / x-a if x is not = a          {6 if x = a Answered by Penny Nom.
	An investment of 500$		2010-09-27
		From georgia: if you invest 500$ at a 7% annum and the balance at a 10% annum and your interest earned is 44$ annum how much was invested in the 7% and how much in the 10%. Answered by Penny Nom.
	An equation involving logarithms		2010-09-27
		From mindy: Hi, I am trying to find x, the equation is: log_2(log x + 2 (log x)^(1/2) + 1) - 2 log_4((log x)^(1/2) + 1) = 1 Thank you very much for your time. =) Answered by Harley Weston.
	4√3 + 2√1/3		2010-09-25
		From Michelle: How do you solve 4√3 + 2√1/3? Please show step by step. Answered by Penny Nom.
	The distance between the origin and a moving point		2010-09-24
		From Norma: I am having problems with this question find the rate of change of the distance between the origin and a moving point on the graph of the function below if dx/dt=5 cm/sec y=x^2+2 Answered by Penny Nom.
	rat sequence		2010-09-24
		From Vishal: this is known as rat sequence. I want to know the logic pf this :- 1,2,4,8,16,77,145 Answered by Chris Fisher.
	20% profit on the selling price		2010-09-24
		From ata: My cost is 100 and I want to make 20% profit on my selling price (not 20% of the cost). So, what should be calculation formula? Let's say my cost is 493.71 and I want to make 53.28% profit on the selling price; so how to determine the selling price? Answered by Penny Nom.
	The third vertex of a triangle		2010-09-23
		From nikos: Hi, I would really appreciate any help in this: "Suppose you have a triangle (any triangle, no hypotheses allowed), let's call it ABC. You know the coordinates of the two vertexes, A(x1,y1), B(x2,y2) and the area of the triagnle, let's call it D. Can you find the third vertex of this triangle based on these facts?" Thanks a lot! Answered by Harley Weston.
	A reverse PST calculation		2010-09-23
		From Manning: Hi, I'm a manufacturing contractor in Saskatoon. The way to calculate PST for us is using total contract amount x 70% then 5%. For example, contract amount of $100 x 70% x 5% = $3.5 (PST). The subtotal is using contract amount + PST. $100 + $3.50 = $103.50. If you only know the subtotal is $103.50 including PST, how do you reverse calculation to get the contract amount? Thank you very much for your help. Answered by Harley Weston.
	A three digit number		2010-09-22
		From Andrew: Both the sum and the product of its three digits are 6. The least digit is in the hundreds place and the greatest digit is in the ones place. Write it in word form: Answered by Penny Nom.
	A taxi ride		2010-09-22
		From Jack: A taxi ride costs you $2 for the first km and 10 cents for each tenth of a km thereafter. Sketch a graph of the total cost $C(x) for a ride of xkm, for 0 < x < 2. Hint: The graph is not smooth. How will I start this question off? I tried the table of values method, and then graphed it, but it comes out as smooth, Answered by Stephen La Rocque.
	Finding a Number Pattern		2010-09-22
		From Cheryl: Sunshine Math - 4, Jupiter 1, question 4 which is (a, b, c & d). I am wanting to know question 4d. Think about the following list of number pairs. Three is the first number of a pair, and 8 is the second. 3 - 8 4 - 11 5 - 14 6 - 17 and so forth Question d. - If a number "n" is the first number, what is the second number? I don't know how my son should answer this question. It sounds like it should be a formula but how does he get to it and how do I explain it to him. Looking forward to your help. Cheryl Answered by Janice Cotcher.
	Percentage of Revenue Generated		2010-09-22
		From Jeri: Hi! I am trying to fill out the government form for obtaining a business license and this is all new to me...it wants to know the estimated percentage of revenue that my product generates. An easy formula to figure this out would be greatly appreciated! Answered by Stephen La Rocque.

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