1 :

Hint : 15% of the total bill.

Correct Answers:

  • $6.00

Rationale :
15% of $38.40 is 38.40×0.15=5.76, estimated to $6.00.
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2 :

Hint : When one variable increases, the other tends to decrease

Correct Answers:

  • Negative

Rationale :
The scatter plot shows a downward trend, indicating a negative correlation.
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3 :

Hint : Use the area to find the radius

Correct Answers:

  • 14 π in

Rationale :
The circumference is 2π× 7= 14π.
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4 :

Hint : Subtract taxes from weekly earnings and multiply by 4

Correct Answers:

  • $2,400.00

Rationale :
Weekly earnings after taxes: 800−83−38−79=600 For 4 weeks: 600×4=2400
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5 :

Hint : multiply by 1000

Correct Answers:

  • 3000 mL

Rationale :
3 L×1000 mL/L=3000 mL.
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6 :

Hint : bar graphs = categorical frequency.

Correct Answers:

  • Bar graph

Rationale :
A bar graph effectively displays frequency data for categories
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7 :

Hint : Convert the fraction to a percentage.

Correct Answers:

  • 62.5%

Rationale :
5/8=0.625, which is 62.5%.
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8 :

Hint : Verify each statement against the graph

Correct Answers:

  • None of the above

Rationale :
None of the statements accurately describe the graph.
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9 :

Hint : null

Correct Answers:

  • 8.9 feet

Rationale :
Use the Pythagorean theorem.
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10 :

Hint : place the decimal correctly.

Correct Answers:

  • 0.611

Rationale :
1.3×0.47=0.611.
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Total Questions: 10

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