Answer:

Step-by-step explanation:
I did this bfor. You have got to trust me.
Answer:
The scanning electron microscope
Step-by-step explanation:
The scanning electron microscope can determine the proximity to a discharging firearm and/or the contact with a surface exposed to GSR
Answer:
I think it is 1 and 4 :))
Step-by-step explanation:
I hope so it will helpful for u
Answer:

Step-by-step explanation:
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Given:

---------->>>>
Combine like terms.

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Add 12 to both sides.

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Divide both sides by 9.

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Hope this is helpful.
Answer:
B
Step-by-step explanation:
factors of 45 that when u multiply give u 45 when u add give u -14