Step-by-step explanation:
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Answer:
x=16.1
Step-by-step explanation:

Divide both sides by -0.5

Add 7.1 to both sides

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Answer:
A vertical line is any line parallel to the vertical direction. A horizontal line is any line normal to a vertical line. Horizontal lines do not cross each other.
The answer is D. C ÷ d = π, where C is circumference and d is diameter.