The answer is the first one BC ~ CD
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Answer:
# 1,3 and 6
Step-by-step explanation:
Answer:

Step-by-step explanation:
y = 18 + 3x²
- 18 - 18
__________

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Answer:
69.8509 is your answer
Step-by-step explanation:
Answer:The third one is!!
Step-by-step explanation:
The commutative property of addition says that changing the order of addends does not change the sum. Here's an example: 4 + 2 = 2 + 4 4 + 2 = 2 + 4 4+2=2+4