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If $$a^{3} + b^{3}$$ = 152 and a + b = 8, then what is the value of ab?
$$a^{3}+b^{3}=(a+b)^{3}-3ab(a+b)$$
$$152=(8)^{3}-3ab(8)$$
$$152=512-24ab$$
$$24ab=360$$
$$ab=15$$
So the answer is option D.
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