Select the correct answer. Which expression is equivalent to the given polynomial expression?
(9v4 +2)+v2(v^2v^3+2w^3-2v^2) -(-13v^2)-(-13v^2w^3+7v^4)

pls answer fast
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What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

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