1.   Classify9 and15.
   
    A. consecutive interior angles B. alternate exterior angles
    C. corresponding angles D. alternate interior angles
    Hint

  2.   In the figure, g || h and a is a transversal. If what is the value of n?
   
    A. 18 B. 12
    C. 15 D. 7.5
    Hint

  3.   If m7 = 3x - 15 and m3 = 2x + 7, find m3.
   
    A. 51 B. 22
    C. 66 D. 129
    Hint

  4.   Classify 13 and 12.
   
    A. alternate interior angles B. alternate exterior angles
    C. vertical angles D. corresponding angles
    Hint

  5.   If m10 = 3n + 20 and m7 = 7n - 52, find m9.
   
    A. 72 B. 106
    C. 18 D. 74
    Hint



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