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

  2.   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. 10 miles B. 1 mile
    C. 3 miles D. 15 miles
    Hint

  3.   Evaluate 5k + if
k = 3, m = 20, and n. = 5.
    A. 19 B. 20
    C. 57 D. 7
    Hint

  4.   Evaluate y3 if y = 4.
    A. 12 B. 64
    C. 16 D. 43
    Hint

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



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