Combine. Note that one positive and one negative = one negative
-2.1 + (-5.9) + (-3.7) = -2.1 - 5.9 - 3.7 = -11.7
-11.7 is your answer
hope this helps
Answer:
The answer is D
Step-by-step explanation:
Base area: 9 x 7 = 63
63 x 5 = 315
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2 x 2 x 2 x 3
Because you are multiplying two, four times
That is the answer..............
