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Lubov Fominskaja [6]
2 years ago
15

Can someone do eight nine one and two ?

Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
5 0

Answer: hello there here are your answers:

8) B multiplication property of zero

9) C additive identify

1) 8

2) -2a-7

Step-by-step explanation:

1) \frac{3+u}8^{2}  \\u=5 \\so\\ \frac{3+5}8^{2}  \\3+5=8^{2} \\8^{2} =\\64 \\\\ 64/8=\\\\\\8 \\there.\\\\\\

2)-2(a-7)\\\\-2(a)(-7)\\\\=-2a+14\\\\\\there

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