1. Water Pressure Equation

Q: Find inequality for b where a > b, b = w, and a = difference between pressure values at v=1.71 and v=1.77

A1: b < 1.81

A2: w < 1.71

A3: w < 1.42

2. Tree Growth Rate

Q1: A tree grows 117cm per 'm' months. Express growth in 'k' years.

A1: 1440m/k

Q2: A tree grows 165 cm every m months. Express in k years.

A2: 1980k/4m

3. Sodium Chloride Solution

Q1: 0.3% and 0.15% solutions mixed to create 110g with 0.27g saline. How much 0.3% solution?

A1: 30g of 0.30% solution

Q2: 0.10% and 0.05% solutions mixed to create 130g with 0.09g saline. How much 0.10% solution?

A2: 50g of 0.10% solution

4. Quadratic Function Roots

Q1: For f(x)=(x-a)(x-b), given f(34)>0, f(37)<0, f(40)>0, what's a possible a+b?

A1: 74

Q2: For f(x)=(x-a)(x-b), given f(19)<0, f(22)>0, f(25)<0, what's a possible a+b?

A2: Not provided

Q3: For f(x)=(x-a)(x-b), given f(20)>0, f(23)<0, f(26)>0, what's a possible a+b?

A3: 45

5. Line of Best Fit Modification

Q1: Add 538 to each x-value, what's the new line equation?

A1: Involved a negative y-intercept

Q2: Add 576 to each x-value, what's the new line?

A2: 50.something + 7.1x

6. Unit Conversion

Q1: Convert 11.8 m/s² to miles/min²

A1: 0.2 (rounded)

Q2: Convert 2.7 m/s² to miles/min²

A2: 0.2 (rounded)

7. Equation Solving

Q1: Solve k-x = 52-x for one solution

A1: 171

Q2: Solve k-x = 54-x for one solution

A2: Not provided

8. Percentage Calculation

Q1: If 28% is 90% of j, and j is 44% of k, what percentage of k is h?

A1: 141%

Q2: If 0.19h is 0.57j, what percentage of j is h?

A2: 33.33% (approximate)

9. Quadratic Equation

Q: -3(x²) - 24 = nx, what is (n²)/32?

A: 9

10. Cylinder Volume Comparison

Q: Cylinder A has radius r and height h. Cylinder B's volume is 252 times larger. What are B's dimensions?

A: Not provided, involves volume scale factor

11. Population Growth

Q1: Calculate population from 2017 to 2021, given 1997 and 2017 data (56,000 to 223,000)

A1: Not provided

Q2: Calculate population from 1996 to 2020

A2: 243 (rounded from 243.4)

12. Circle Geometry

Q: Given area of larger circle, find radius of inner circle

A: 18 (for some students)

13. Triangles

Q: Two triangles, one inside the other. Given smaller triangle side lengths, find larger one.

A: 13.5 (numbers varied)

14. Exponential Function

Q: f(x) = 56(0.11x)², find condition for f(n) < f(n-1)

A: Not provided

15. Feet to Yard Conversion

Q: Convert feet to yards

A: 1/32

1. Vocabulary

Words tested: nebulous, precipitate, pervasive, amorphous, scrupulous, engender, eclipse, spurious, insurmountable, accentuate, palpable, repudiate, arduous, erratic, outsized, tally, profound, exploit

2. King Arthur Passage

Q: What source did Malory not use for the round table?

A: The 9th/10th century text

3. Chimpanzee and Vitamin D

Q: Conclusion about chimps' adaptation to UV light in zoos?

A: They were adapting; supplements unnecessary

4. Laughter Across Cultures

Q: Impact of geography on distinguishing real vs. fake laughter?

A: Geographical differences don't significantly impact ability

5. Indian Cooking and Deep Frying

Q: Effect of hydrocolloid coating absence on fat content?

A: More fat absorption without coating

6. Fish Vision and Head Size

Q: Performance of intermediate vs. big-headed fish in low visibility?

A: Intermediate-headed fish navigated obstacles better

7. Dogu Sculpture

Q: Main idea of Dogu sculpture passage?

A1: Significance in Japanese society

A2: Art form

A3: Researchers finding sculpture purpose

8. Indigenous Language Influence

Q: Examples of words from indigenous languages?

A: Chili and guava

9. Scientific Study Design

Q: Most important factor for cause-effect relationship in animal study?

A: Random assignment

10. Transition Words

Q1: Transition word in voting passage?

A1: "Accordingly"

Q2: Transition involving "however"?

A2: ", however;"

11. Punctuation

Q: Punctuation in OECD member nation sentence?

A: Not provided

12. Grammar

Q: Use of "and" or period in indigenous people sentence?

A: Period

13. Convergent Evolution

Q: Main idea of passage on convergent evolution?

A: Debated between difficulty explanation and comparison of studies

14. Forest Field Graph

Q: Trend in forest field graph?

A: Increases consistently until 2000

15. Spontaneous Speech

Q: Question about egocentric speech in Spanish vs. native speakers

A: Not provided

16. Anthropogenic Noise

Q: Effect on birds and anthropods?

A: Not provided

17. Wikipedia Context

Q: Word choice in Wikipedia context?

A: Spurious

18. Naming of Violins

Q: How violins were named?

A: Named after British violinist (debated)

19. Dog Language Recognition

Q: Difference in dogs' brain activity hearing familiar vs. unfamiliar languages?

A: Discrepancy increased as dogs aged

20. Meteors and ZHR

Q: Question about Zenithal Hourly Rate (ZHR)?

A: Answer started with "ZHR" and mentioned ideal conditions