maddier469 maddier469 21-04-2021 Mathematics contestada Which number sentence is true? A. -6.1 + (-3.3) = -2.8 B. -6.1 + (-3.3) = 2.8 C. -6.1 + (-3.3) = 9.4 D. -6.1 + (-3.3) = -9.4 Answer is D!!!!