Above means positive
Below means negative
New Orleans is 7 feet 'Below", so elevation is -7 ft.
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Step-by-step explanation:
Ok bet
what do u need
Our current list has 11!/2!11!/2! arrangements which we must divide into equivalence classes just as before, only this time the classes contain arrangements where only the two As are arranged, following this logic requires us to divide by arrangement of the 2 As giving (11!/2!)/2!=11!/(2!2)(11!/2!)/2!=11!/(2!2).
Repeating the process one last time for equivalence classes for arrangements of only T's leads us to divide the list once again by 2
20 is the answer because it is the only number that has positive and it says sum
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I have the same question
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message me if anyone helps I need it too