1.   Evaluate 3x + 2y if x = 3 and y = 7.
    A. 23 B. 5
    C. 27 D. 105
    Hint

  2.   Evaluate if a = 9, b = 6 and c = 3.
    A. 11 B. 9
    C. 5 D. 15
    Hint

  3.   The equation where d represents the distance in miles
and t is the number of seconds between seeing lightening and
hearing thunder, tells how far away a thunderstorm is.
How far is it to a thunderstorm if you count 15 seconds between
seeing the lightening and hearing the thunder?
    A. 3 miles B. 1 mile
    C. 10 miles D. 15 miles
    Hint

  4.   Evaluate x + 5y if x = 12 and y = 9.
    A. 47 B. 57
    C. 153 D. 71
    Hint

  5.   Evaluate x2 + 2xy + y2 if = 4 and y = 7.
    A. 78 B. 65
    C. 121 D. 86
    Hint



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