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Consider the following number line. What is the sign of B+A

Consider the following number line. What is the sign of B+A-example-1

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Answer:

B

Explanation:

B is positioned at + 4 on the number line

A is positioned at - 8 on the number line

note that + (- ) = -

then

B + A = + 4 + (- 8) = + 4 - 8 = - 4 ← negative sign

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