Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income less than $25,000?
A. 0.27
B. 0.73
C. 0.57
D. 0.2
Answer: A
Mathematics
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Multiply.8700 ? 800
A. 6,959,000 B. 6,959,501 C. 6,960,000 D. 6,961,000
Mathematics
Complete.279 mi = 
km (Round to the nearest thousandth.)
A. 504.711 B. 155.000 C. 448.911 D. 173.400
Mathematics
Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 88? Round to the nearest hundredth of an hour.
A. 2.82 hr B. 101.04 hr C. 28.20 hr D. 6.55 hr
Mathematics
Find an equation of the tangent line to the graph of 
at the point (5, 18) .
What will be an ideal response?
Mathematics