Perform the indicated operation.(-9)(-10)(-9)
A. 810
B. -810
C. -819
D. 819
Answer: B
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Use quadratic regression to model the following data. Round your answers to two decimal places, if necessary. x 1.44 3.11 5.43 6.87 8.15 y 7.93 3.65 4.41 6.14 8.77?
A. ?
B. 
C. ?
D. ?
Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 90x + y = -19
A. (9, -10), (10, -9) B. (-9, -10), (-10, -9) C. (9, 10), (10, 9) D. (-9, 10), (-10, 9)
Solve using elimination.
A. x = 3, y = 0; x = 3, y = 3 or (3, 0), (3, 3) B. x = 3, y = 0; x = -3, y = 0 or (3, 0), (-3, 0) C. x = 3, y = 3; x = -3, y = 3 or (3, 3), (-3, 3) D. x = -3, y = 0; x = -3, y = 3 or (-3, 0), (-3, 3)
Solve the problem.The table shows the population of a certain city for selected years between 1950 and 2003. 
By using your calculator to find the logistic regression equation that best fits the data, determine when the population of the city will first exceed 271,000.
A. In 2010 B. In 2015 C. In 2012 D. In 2018