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How many ways can a president and vice-president be chosen from a committee of twelve people? The number of ways to choose a president and vice-president is
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Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document
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The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)
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How many ways can a president and vice-president be chosen from a committee of twelve people?
The n...
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