1.   Write an inequality for the sentence three times a number is less than 45.
    A. 3x < 45 B. 3x > 45
    C. 3 + x < 45 D. 3x 45
    Hint

  2.   Solve .
    A. B.
    C. D.
    Hint

  3.   Solve 5s - 2 < 18
    A. s < 5 B. s > 5
    C. s < 4 D. s > 4
    Hint

  4.   Solve 7 + y 21
    A. y 14 B. y 3
    C. y > 14 D. y 14
    Hint

  5.   Solve y - 10 7. Graph the solution.
    A. B.
    C. D.
    Hint



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