Answer:
Vertically Opposite Angles are the angles opposite each other when two lines cross "Vertical" in this case means they share the same Vertex (corner point), not the usual meaning of up-down.
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Answer:
The substance decays by 7.5% every year
Step-by-step explanation:
Answer:
2/5
Step-by-step explanation:
Answer:
5/2
Step-by-step explanation: