Combine like terms.18.8x + 8.5y - 11.9x - 22.6y
A. 7.9x - 14.1y
B. -7.2xy
C. 6.9x + 14.1y
D. 6.9x - 14.1y
Answer: D
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
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If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.II, 
A. Positive B. Negative
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Provide an appropriate response.The national debt of a country is $14,160,000,000 and the population is 3,540,000. What is the debt per person? Write answer without exponents.
A. $400 B. $40,000 C. $4000 D. $50,126,400
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Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the lowest sales?
A. Month 5 B. Month 7 C. Month 2 D. Month 3
Mathematics