Answer: x=3
Step-by-step explanation:
16 = 7 + 3x
9 = 3x
3 = x
:0
Answer: 5n^2 -19n^2-25
Step-by-step explanation: combine like terms / distribute
Answer:
Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol.
The answer is D) 11/21
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