20. Cathy ran for 30 min at a rate of 5.5 mi/h. Then she ran for 15 min at a rate of 6 mi/h. How many miles did she run in all?

    6. 2.75 mi
    7. 4.375 mi
    8. 4.25 mi
    9. 5.75 mi

21. A 6-ft-tall man casts a shadow that is 9 ft long. At the same time, a tree nearby casts a 48 ft shadow. How tall is the tree?

    1. 32 ft
    2. 36 ft
    3. 45 ft
    4. 72 ft

22. Triangle ABC is similar to triangle DEF. What is x?

    

    6. 7
    7. 12
    8. 15
    9. 27

23. Which side lengths given below can form a right triangle?

    1. 12, 13, 17
    2. 3.2, 5.6, 6.4
    3. 14, 20, 24
    4. 10, 24, 26

24. The formula F   = 9 5   C +   32 f equals , 9 fifths , c plus 32  converts temperatures in degrees Celsius C to temperatures in degrees Fahrenheit F. What is 35 ° C 35 degrees cap c  in degrees Fahrenheit?

    6. 20 ° F 20 degrees cap f
    7. 67 ° F 67 degrees cap f
    8. 95 ° F 95 degrees cap f
    9. 120 ° F 120 degrees cap f

25. A bowling ball is traveling at 15 mi/h when it hits the pins. How fast is the bowling ball traveling in feet per second? (Hint: 1   mi = 5280   ft 1 mi equals , 5280 , ft )

    1. 11 ft/s
    2. 88 ft/s
    3. 22 ft/s
    4. 1320 ft/s

26. What is the median of the tree height data displayed in the box-and-whisker plot below?

    

    6. 5
    7. 10
    8. 15
    9. 20

27. Helena tracked the number of hours she spent working on a science experiment each day in the scatter plot below.

    

    Between which two days was there the greatest increase in the number of hours Helena spent working on her science experiment?

    1. Day 2 and 3
    2. Day 7 and 8
    3. Day 5 and 6
    4. Day 9 and 10

28. Your grades on four exams are 78, 85, 97, and 92. What grade do you need on the next exam to have an average of 90 on the five exams?

    6. 71
    7. 92
    8. 98
    9. 100

29. The number of points scored by a basketball team during the first 8 games of the season are shown below.

    65 58 72 74 82 67 75 71

    How much will their average game score increase by if the team scores 93 points in the next game?

    1. 2.5
    2. 10.5
    3. 11.6
    4. 19.5

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