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very useful edition.

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A child is surprised that because of sales tax she must pay $1.36 for a toy marked $1.25.what is the effective tax rate on this purchase,expressed in percentage?
The ratio of the number of sparrows
visiting a bird feeder to the number of more interesting birds 2.25. On a morning when altogether 91 birds visit the feeder, what is the number if sparrows? 

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Distinguish between the behavior of ideal gases and real gases

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Worthless cant wait to stuff it in my attic this was awful the problems don't even explain everything

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this is a good book for physics .everyone can read it .it helpful for new invention.

All reviews - 6
4 stars - 0
3 stars - 0
2 stars - 0
1 star - 1

All reviews - 6
Editorial reviews - 0

All reviews - 6