1.   Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
    A. 6 + 3x2 B. 6(3x)2
    C. 6 + 3x D. 6(3x)
    Hint

  2.   Name the property illustrated by the statement below.
If 5n = 15, then 15 = 5n.
    A. transitive property of equality B. symmetric property of equality
    C. reflexive property of equality D. substitution property of equality
    Hint

  3.   Solve 7(2k + 4) - (3k + 1) = 49.
    A. 2 B. 1
    C. 4 D. 1.8
    Hint

  4.   The formula for the area of a trapezoid is Solve the formula for h.
   
    A. B.
    C. D.
    Hint

  5.   Solve the equation
    A. -1 B. 20
    C. D. 9
    Hint



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