Answer: (B) 6 floors
Step-by-step explanation: Use the equation -3 + 9 to get the amount of floors above ground level.
-3 + 9 = 6
6 floors.
If this helps may I please have a brainliest.
Answer:
first one
Step-by-step explanation:
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Switch Sides

[ Step Two ] Add 4 To Both Sides

[ Step Three ] Simplify

[ Step Four ] Check Your Work

[ Step Five ] Question: Is Equation Correct

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Answer:
D
Step-by-step explanation:
In Maths, axioms are basically set of propositions from which we can derive true statements from logic. Then these statements are known as theorems.
Hence, defining theorem in an axiomatic way means that a statements that we derive from axioms (propositions) using logic and that is proven to be true.
From the answer choices, we see D goes with this, hence D is the correct answer.