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	Expand and Simplify (3x+5)(5x-9)		2015-04-23
		chloe pose la question : Expand and Simplify (3x+5)(5x-9) Penny Nom lui répond.
	Two concentric circles		2015-04-21
		Juniper pose la question : Two concentric circles have radii of 4 cm and 8 cm. A segment is drawn so that it is tangent to the smaller circle and a chord of the larger circle. How long is the segment? Penny Nom lui répond.
	A circle inscribed in a square		2015-04-19
		michael pose la question : A circle is drawn in a square PQRS. If the total area of the shaded portion of the square is 42 cm square, calculate the radius of the circle Penny Nom lui répond.
	A geometric sequence		2015-04-19
		Delfina pose la question : In a geometric sequence the second term is 15 and the fifth term is -405. Find the sum of the first eight terms Penny Nom lui répond.
	An inequality		2015-04-19
		mr. pose la question : Simplify the inequality √x>x and represent on a number line Penny Nom lui répond.
	A wireless fence		2015-04-18
		Dave pose la question : I'm buying a wireless fence to keep my pet in my yard. It has a half acre range. In a straight line how far would that be? Penny Nom lui répond.
	Two cars approaching an intersection		2015-04-16
		Engabu pose la question : Car A is traveling west at 50km/h & car B is traveling north at 60km/h. both are headed for the intersection of the two roads. At what rate are the cars approaching each other when car A is 3km & car B is 4km from the intersection? Penny Nom lui répond.
	How many boats total are in the marina?		2015-04-15
		Carla pose la question : In a marina, 3/4 of the boats are white, of the remainder 4/7 are blue, the rest are red. There are 9 red boats. How many boats total are in the marina? My answer is 84 because if 1/4 of the boats are divided into sevenths, that makes the whole marina a 28 part item. 3/28 are red so 84 is the total number of boats. My child thinks I am wrong. Penny Nom lui répond.
	Two airplanes		2015-04-14
		john pose la question : two planes leave an airport at the same time, one going northwest (N35*W)at 400 mph and the other going east at 332 mph. How far apart are the planes after 4 hours to the nearest mile? Penny Nom lui répond.
	Constructing a box of maximum volume		2015-04-14
		Margot pose la question : I need to do a PA for maths and I'm a bit stuck. The PA is about folding a box with a volume that is as big as possible. The first few questions where really easy but then this one came up. 8. Prove by differentiating that the formula at 7 does indeed give you the maximum volume for each value of z. Penny Nom lui répond.
	Team selection		2015-04-13
		Peter pose la question : I manage a football team with a list of 28 players. Only 24 can play each game. The season is 16 games. How do I fairly select 24 players each week. Robert Dawson lui répond.
	Some non-decreasing sequences		2015-04-13
		Sky pose la question : Hi I'm a Student and i'll try my best to state the problem perfectly. The number of non-decreasing sequences of size at least 1 and at most N, such that each element of the sequence lies between L and R, both inclusive. Eg:- N=1 L=4 R=5 ans= 2. [{4},{5}] N=3 L=4 R=6 ans= 19. [{4},{5},{6},{4,4},{4,5},{4,6},{5,5},{5,6},{6,6} {4,4,4},{4,4,5},{4,4,6},{4,5,5},{4,5,6},{4,6,6},{5,5,5},{5,5,6},{5,6,6} ,{6,6,6}] Claude Tardif lui répond.
	The area of a circle given the circumference		2015-04-12
		F pose la question : How do you find the area of a circumference of 6? Thanks. Penny Nom lui répond.
	Excavating a basement		2015-04-12
		Randy pose la question : The cost of excavation is $4.50/ cu yd. Find the cost of excavating a basement 87 ft long, 42 ft wide, and 8 ft deep. Penny Nom lui répond.
	Sharing $600 in the ratio of 2 to 3		2015-04-11
		Kenneth pose la question : Hello: If two people share $600.00 in a ratio of 2 to 3, which calculations are correct: 2/3 X $600.00 & 1/3 X $600.00 or 2/5 X $600.00 & 3/5 X $600.00? The denominator 5 is determined by adding 2 and 3 from the ratio. I thank you for your reply. Penny Nom lui répond.

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