http://i58.tinypic.com/25ku3c8.jpg\">

Any other method other than guess and check. Pl help

Factorise the expression completely.

(x-y)^2 + x(x-y)^3 - (x-y)^4. Please help.

A large number of poultry is or are…

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NGU Learning:

redruby:

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Give a classification heading for the above.

My guess is that these animals are classified by their habitats.

Household, garden, pond, river

There's some overlap and ambiguity though.

http://i60.tinypic.com/2010e3o.jpg\">

Give a classification heading for the above.

What is the best estimate of the value 4.59*101?

1)400
2)450
3)460
4)500

magicpiglet:

redruby:

Dennis bought a book. He read 3/5 of the book on the first day and 1/4 of the remaining book on the second day. If Dennis read 4 pages of the book on the second day, how many pages of the book are left unread?

Can't show pic for model as I dunno how to load pic
Bt solution ....
5/5-3/5=2/5( remaining pgs unread after 1st day)
2/5 x1/4=1/10
1 u=4 pges
5/5 -3/5-1/10=3/10
3u= 4x3
=12

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