15 x (-2)= - -30, -6 + (-18)= - -24, 9 - (- 3) = - 12, 1/2 + 1/2= - 1, 60ft. below sea level - -60, A profit of 100 - +100, Union Set - U, A loss of 16 lbs - -16, Deposit 4000 in the bank - +4000, 56 -(-2)= - 58,

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