Answer:
associative property with respect to addition and subtraction
3+[7+(-4)]=(3+7)+(-4)
3+[7-4]=10+(-4)
3+3=10-4
6=6
Step-by-step explanation:
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Answer:
4a^2 - 15b + 9b^2
Step by step explanation:
Answer:
the x coordinate is 1
the y coordinate is 1
Step-by-step explanation:
Answer:
8/27
Step-by-step explanation:
