1.   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. 15 miles
    C. 10 miles D. 1 mile
    Hint

  2.   Evaluate ab + 8 if a = 4 and b = 7
    A. 60 B. 28
    C. 36 D. 55
    Hint

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

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

  5.   Evaluate j - k if j = 10 and k = 2.
    A. 20 B. 5
    C. 8 D. 12
    Hint



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