1.   The cost of admission to a science museum is 12a + 5c, where a represents the number of adults and c represents the number of children. How much would it cost for 2 adults and 3 children to go to the museum?
    A. $27 B. $46
    C. $22 D. $39
    Hint

  2.   If Julie has x strawberries in one sack and four fewer strawberries in another sack, write an expression for how many strawberries are in the second sack.
    A. x - 4 B. x + 4
    C. 4 + x D. 4 - x
    Hint

  3.   A CD rotates in a CD player at about 350 revolutions per minute. How many revolutions would the CD have made after h hours?
    A. B.
    C. 350h D. 21,000h
    Hint

  4.   Find an explanation for the expression s + 3.
    A. If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class.
    B. If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year.
    C. If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class.
    D. If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago.
    Hint

  5.   Find two ways to write the rule for the table.
   
    A. 3(x + 4), 3x + 15
    B. 3(x + 4), 3x + 12
    C. 15x
    D. 3(x + 12), 3x + 36
    Hint

  6.   Use the clues on the dot diagram to find the unknown values.
   
    A. a = 3, b = 15 B. a = 1, b = 11
    C. a = 5, b = 17 D. a = 10, b = 22
    Hint



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