1.   If m15 = 22, what is m14?
   
    A. 68 B. 158
    C. 118 D. 78
    Hint

  2.   If 12 14, and m12 = 75, what is m15?
   
    A. 15 B. 105
    C. 75 D. 5
    Hint

  3.   If a line, j, is in a plane and point B is on j, how many lines in that plane are perpendicular to j at B?
    A. two B. zero
    C. one D. infinite
    Hint

  4.   If two lines are perpendicular, then they form four ________ angles.
    A. complementary B. obtuse
    C. right D. acute
    Hint

  5.   If m1 = 3x + 2 and m2 = 5x, find m 1.
   
    A. 90 B. 35
    C. 55 D. 11
    Hint



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