Pre-Algebra Quiz
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GEOMETRY & MEASUREMENT
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Two parallel lines are intersected by a transversal. One pair of corresponding angles has measures (5a+10)°(5a + 10)° and (7a−30)°(7a - 30)°. A pair of alternate exterior angles formed by the same transversal has measures (3b+20)°(3b + 20)° and (b+60)°(b + 60)°. What is the value of a+ba + b?
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