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Mathematics 15 Online
OpenStudy (anonymous):

help.

OpenStudy (anonymous):

check my answers 1. b 2. a 3. a 4. c 5. d

OpenStudy (sidsiddhartha):

everythings fine except 4 which will be D=fact(13)/fact(10)*fact(3)=286

OpenStudy (anonymous):

thank you.

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