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	A cubic equation		2016-07-25
		From Chinmay: x³-2x²-7x+5 Answered by Penny Nom.
	The number of sides of a polygon		2016-07-23
		From Shriya: All the angles of a polygon are either 155° or 140°. There are twice as many angles of 155 °or 140°. Find the number of sides of the polygon Answered by Penny Nom.
	The temperature inside and outside a greenhouse		2016-07-22
		From Mehzad: Every day, the temperature in a greenhouse is at its low temperature, 70 degrees Fahrenheit, at 2 a.m. and at its high temperature, 84 degrees Fahrenheit, at 2pm. Its temperature increases linearly between 2 am and 2pm , and decreases linearly from 2 pm and to 2am. The outside temperature follows the same linear patterns, but has a low temperature of 60 degrees Fahrenheit at 2 am and a high temperature of 78 degrees Fahrenheit at 2 pm. At which of the following times will the temperature inside and outside the greenhouse be the same? a) 8:00 am b) 12:00 noon c) 4:00 pm d) The two temperatures will never be the same Answered by Penny Nom.
	Two equations with fractions		2016-07-22
		From kanesh: p/2+q/3=3 p/4+2q/3=3 Answered by Penny Nom.
	Which term of this sequence has value 8?		2016-07-20
		From Lauren: Hi there Which term in the sequence -2; -5/3; -4/3 ; -1; ... has a value of 8. Since term 2 and 3 of this sequence contain fractions which can be converted to recurring decimals. What is the best way to work out the common difference here. I do however understand that to work out the nth term of an arithmetic series, the following formula Tn = a + (n-1)d. In this series a = -2 Answered by Penny Nom.
	Writing numbers in the form a/b		2016-07-17
		From Edward: How to write these numbers in form of a/b: -7, 0.175, -3.25, 37/10, -16, 1/3, 2.04 Answered by Penny Nom.
	A congruence theorem for two right angled triangles		2016-07-17
		From Sayari: Hello. Is it possible for two right angled triangles to have the same length of base and height and a different hypotenuse? If not so, then why in the congruence criteria RHS the hypotenuse is given more importance? It can also be like- 'two triangles are congruent if they are right angled and have the same base and height.' Thank You. Answered by Penny Nom.
	The composition of a function with itself		2016-07-17
		From Mel: If f(1 + 3x) = 1 * x, solve f(f(x)) Answered by Penny Nom.
	If x+y=7 and x^2+y^2=42, then xy equals?		2016-07-17
		From Mehzad: If x+y=7 and x^2+y^2=42, then xy equals? Answered by Penny Nom.
	A train from Erie to New York		2016-07-14
		From carol: a train leaves Erie with twice as many women as men. At York, 17 men get on and 16 women . How many men and women were originally on the train?off. There are now the same number of men as women Answered by Penny Nom.
	Lisa went for a run		2016-07-14
		From Olive: Lisa ran 3km north and then 4 km east what was her total distance Answered by Penny Nom.
	The perimeter and area of a shape		2016-06-30
		From Scott: If I have a 16 x 32 rectangle the square feet is 512. So if I take a rope 96 feet long , which is the lineal feet of the rectangle, and manipulate it to any shape I want does the square footage inside the rope stay at 512 square feet? Thanks in advance! Answered by Penny Nom.
	A 1.4 acre square		2016-06-28
		From Jamie: Dear Faithfullness, I was previously to be purchasing a square 1 acre plot, which I believe was to have 209feet, 4 sides perimeter. How big would a 1.4 acre site be? In sq feet length ie original 209ft + (the adeed 0.4) Answered by Penny Nom.
	Triakis		2016-06-27
		From Gordon: Some authorities treat "triakis" (and related terms "dyakis", "tetrakis", etc.) as attached prefixes; others treat them as separate adjectives. Thus I see one of the Catalan solids described as both "triakistetrahedron" and "triakis tetrahedron". Which usage is correct? Answered by Chris Fisher.
	Slope		2016-06-27
		From Ashiq: What is 1% slope if length 101 feet? Answered by Penny Nom.

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