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 - 12.79
B. y = 7.87x - 13.08
C. y = 8.13x
D. y = 7.97x - 13.54
Answer: D
Mathematics
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A. 63x2 - 10x B. 63x2 - 70x C. 9x2 - 70x D. -7x2
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+ 
+ 
= 1. (Recall that the parametrization of an ellipse 
+ 
= 1 is x = 8 cos ?, y = 9 sin ?, 0 ? ? < 2?).
What will be an ideal response?
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A. 4900 mm3 B. 29,400 mm3 C. 2,058,000 mm3 D. 343,000 mm3
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Factor the binomial completely. If it is prime, say so.32a4b - 98b3
A. 2b(4a - 7b)2 B. 2b(4a2 + 7b)(4a2 - 7b) C. 2b(4a + 7b)2 D. Prime
Mathematics