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Mathematics 20 Online
OpenStudy (anonymous):

FREE MEDAL FOR ANSWER ANSWER AND EXPLANATION You have checked out b books from the library, where b is a number greater than 5. You plan to read three of the books and return them at the end of the week. In how many ways can you pick the books you will read first, second, and third? A) b^3 ways B) (b^3 - 3b^3 +2b) ways C) (b^3 - 9b^2 + 27b - 27)ways D) (5b - 3) ways

OpenStudy (anonymous):

Answer is A.

OpenStudy (anonymous):

how did u get that

OpenStudy (anonymous):

Oh sorry my mistake. You cannot read the same book twice.

OpenStudy (anonymous):

It should be b x b-1 x b-2

OpenStudy (anonymous):

there is a right answer im sorry but your answer is way off

OpenStudy (anonymous):

there is no way you would get the answer you got

OpenStudy (anonymous):

If you are asking for both answer and explanation then the medal you are offering is not for free.

OpenStudy (anonymous):

you got a free medal for noticing

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