Solve the problem.The table below summarizes the construction cost of a set of homes (excluding the lot cost) along with the square footage of the home's floor space. Find a linear equation that relates the construction cost in thousands of dollars to the floor space in hundreds of square feet by finding the least squares line for the data.
A. y = 8.13x
B. y = 7.87x - 13.08
C. y = 7.97x - 13.54
D. y = 8.13x - 12.79
Answer: C
Mathematics
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A. 100three B. 1020three C. 1120three D. 111three
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Write the given Chinese numeral as a Hindu-Arabic numeral.
A. 840 B. 540 C. 940 D. 640
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Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x + 3)2 + (y - 2)2 = 16 B. (x - 3)2 + (y + 2)2 = 16 C. (x + 3)2 + (y - 2)2 = 4 D. (x - 3)2 + (y + 2)2 = 4
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Express as a single logarithm and, if possible, simplify.
ln x - ln 3
A. ln(
- 3)
B. ln
C. ln 
D. ln
Mathematics