1.   The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
    A. 0.22 × 10-4
    B. 2.2 × 105
    C. 2.2 × 10-5
    D. 2.2 × 10
    Hint

  2.   Sarah scored 96% on her math test. If there were 50 questions on the test, how many questions did Sarah answer correctly?
    A. 45 B. 46
    C. 48 D. 49
    Hint

  3.   Suppose you want to determine the favorite food of students in your school. Which would not provide a random sample?
    A. surveying three students from each homeroom class
    B. surveying every tenth student on the school roster
    C. surveying customers at a nearby hamburger stand
    D. surveying every fifth student to enter the school in the morning
    Hint

  4.   Determine the surface area of the figure below.
   
    A. 114 square units B. 124 square units
    C. 94 square units D. 104 square units
    Hint

  5.   For each 1 cubic unit of volume, how many square units of surface area are there?
   
    A. 4.5 B. 3.8
    C. 3.4 D. 4.2
    Hint

  6.   Which equation represents exponential growth?
    A. y = 6.38(1)x B. y = 2.03(5)x
    C. y = 9(0.5)x D. y = 3.96(0.65)x
    Hint

  7.   The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin and Celsius temperatures both positive?
   
    A. temperatures less than 150°C
    B. temperatures greater than 0 K
    C. temperatures greater than 0°C
    D. temperatures greater than –273 K
    Hint

  8.   There are 12 inches in every foot. Develop a table comparing the values of the number of inches i in every foot f for the first 5 feet.
    A.
    B.
    C.
    D.
    Hint

  9.   Jon earns $6.50 per hour working at a fast food restaurant. Find the graph that describes Jon's pay?
    A.
    B.
    C.
    D.
    Hint

  10.   Find the proportional relationship.
    A. A phone company that charges a monthly fee of $4.95, $0.01 per minute between the hours of 7:00 P.M. and 7:00 A.M., and $0.10 for all other calls.
    B. A phone company that charges a monthly fee of $3.95 and $0.05 per minute on all calls.
    C. A phone company that charges a flat monthly fee of $29.95 for unlimited calls day or night.
    D. A phone company that charges $0.10 per minute on all calls.
    Hint

  11.   The two figures below are similar. Find the correct pair of corresponding sides.
   
    A. segments TU and JP
    B. segments PO and XY
    C. segments LM and OP
    D. segments ON and VW
    Hint

  12.   The triangles below are congruent. Find a.
   
    A. a = 6 B. a = 7
    C. a = 5 D. a = 8
    Hint

  13.   See the line graph below of George's, Jerry's, and Stanley's heights between the ages of 5 and 14 years. Between which two years did George grow the least?
   
    A. 11–12 years B. 7–8 years
    C. 12–13 years D. 5–6 years
    Hint

  14.   Use the graph to find the positive solution to 475 = 4.9x2.
   
    A. x = 9.8 B. x = 8.1
    C. x = 9.3 D. x = 8.9
    Hint

  15.   Find a description that can model this graph.
   
    A. Bill walking to the store.
    B. Bill walking back and forth across a room.
    C. Bill running in a cross country race.
    D. Bill taking his dog for a walk to the park and back..
    Hint

  16.   Find the example that does not model a repeating pattern involving weather.
    A. arrival of the seasons
    B. path of a hurricane
    C. yearly precipitation patterns
    D. daily temperature variations
    Hint

  17.   What is the best way to model data with a repeating pattern?
    A. data list B. histogram
    C. graph D. equation of the graph
    Hint

  18.   The following table shows the results of rolling a number cube twenty times. What is the experimental probability of rolling a 4?
   
    A. , or B. , or
    C. , or D.
    Hint

  19.   Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time.
Sample 1: RRBB
Sample 2: BGRR
Sample 3: RWRB
Sample 4: RGBW
Find the best estimate of the number of blue balls in the bag.
    A. 0 B. 3
    C. 8 D. 6
    Hint

  20.   About what percentage of the test scores below are between 55 and 95?
    ST10-001W-008550
    A. 50% B. 25%
    C. 60% D. 75%
    Hint



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