Solve.The data set represents a progression of hourly temperature measurements. Use a graphing calculator to determine the quadratic regression equation for this data set. 
A. y = -0.759x2 - 3.760x + 20.180
B. y = 0.795x2 + 3.796x + 20.180
C. y = -0.795x2 - 3.796x + 20.180
D. y = -0.875x2 - 3.596x + 20.179
Answer: D
Mathematics
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Convert the following.Bill purchased 0.0522 kilograms of chocolate, how many grams did he purchase?
A. 52.2 g B. 0.00522 g C. 5220 g D. 52,200 g
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Multiply. Simplify by combining like terms.2x(4x - y)(3x + 9y)
A. 22x2 + 67xy - 18xy2 B. 24x3 + 66x2y - 18xy2 C. 12x3 + 33x2y - 9xy2 D. 20x3 + 68x2y - 16xy2
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Convert. Round to the nearest hundredth, when necessary.193 grams to ounces
A. 5471.55 ounces B. 424.6 ounces C. 6.76 ounces D. 86.85 ounces
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Solve the absolute value equation or indicate that the equation has no solution.
= 8
A. {-2, 2} B. {2, 6} C. {-2, 2, 6} D. {-2, 2, -6}
Mathematics