Which number sentence does the following number line represent? a. 1 + (-5) = 6
b. 5 + 1 = 6
c. 1 + (-6) = -5
d. -5 + 6 = 1

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step-by-step explanation:

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

step-by-step explanation:

the answer is 89 d

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