1.   Find the difference -3.35 - 6.21.
    A. 2.86 B. 9.56
    C. -2.86 D. -9.56
    Hint

  2.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80?
    A. 93 B. 100
    C. 80 D. 97
    Hint

  3.   Solve for y.
    A. y = 13 B. y = 10
    C. y = 5 D. y = 2
    Hint

  4.   Solve the proportion for the value of z to the nearest hundredth.
    A. 1.34 B. 2.10
    C. 0.39 D. 2.56
    Hint

  5.   What is the probability that you roll an odd number on a six-sided number cube?
    A. B. 1:1
    C. D. 3:1
    Hint

  6.   What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles?
    A. 4:7 B. 4:5
    C. 2:7 D. 2:5
    Hint

  7.   Solve = d.
    A. d = 3 B. d = 7
    C. d= 8 D. d = 12
    Hint

  8.   A counterexample disproves a conditional when ________ .
    A. the hypothesis is false and the conclusion is false
    B. the hypothesis is true and the conclusion is true
    C. the hypothesis is false and there is no valid conclusion
    D. the hypothesis is true and the conclusion is false
    Hint

  9.   The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the first quarter?
   
    A. 15 B. 60
    C. 48 D. 27
    Hint

  10.   The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the second quarter?
   
    A. 48 B. 15
    C. 60 D. 27
    Hint

  11.   Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of 2 or 3 family members?
   
    A. 45 B. 25
    C. 20 D. 5
    Hint

  12.   Simplify
    A. -7 2n B. -7 12n
    C. 7 2n D. 7 12n
    Hint

  13.   Evaluate if x = -13, y = -10, and z = -5.
    A. 24 B. -26
    C. -24 D. 26
    Hint

  14.   A bag contains 7 purple marbles, 5 yellow marbles, 3 white marbles, and 1 black marble. What is the probability of randomly selecting a marble that is not purple?
    A. B.
    C. D.
    Hint

  15.   Write and in order from least to greatest.
    A.
    B.
    C.
    D.
    Hint

  16.   Solve 11b = 132.
    A. b = 12 B. b = -12
    C. b = 1452 D. b = -1452
    Hint

  17.   Solve 9x 11 = -56.
    A. x = -405 B. x = 5
    C. x = -5 D. x = 405
    Hint

  18.   A department store is having a 30% off sale for all clothing items. What is the discount price of a pair of blue jeans that normally cost $39.99?
    A. $25.99 B. $11.98
    C. $29.99 D. $27.99
    Hint

  19.   Hakan has 50 milliliters of a 10% acid solution. How many milliliters of 45% acid solution should he add to create a 35% acid solution?
    A. 78 milliliters B. 125 milliliters
    C. 97 milliliters D. 100 milliliters
    Hint

  20.   Solve -15 = k - 12.
    A. k = 27 B. k = -27
    C. k = -3 D. k =
    Hint



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