Evaluate the 3 × 3 determinant.
A. 180
B. -36
C. 36
D. 41
Answer: C
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Solve.A painting in a museum is 30 centimeters wide. Convert this width to inches. Round answer to the nearest hundredth, if necessary.
A. 11.81 in. B. 76.2 in. C. 9.15 in. D. 98.4 in.
Use a graphing calculator to plot the data and find the quadratic function of best fit.A small manufacturing firm collected the following data on advertising expenditures (in thousands of dollars) and total revenue (in thousands of dollars). Find the quadratic function of best fit. Round values to the nearest thousandth. 
A. R(x) = -0.310x2 + 2.631x + 6128.455 B. R(x) = -0.0242x2 + 7.139x + 6209.323 C. R(x) = -0.015x2 + 4.536x + 6123.841 D. R(x) = -0.091x2 + 5.952x + 6337.167
Factor completely. If a polynomial cannot be factored, say it is prime.a2 - 5ab - 36b2
A. (a - 4b)(a + 9b) B. prime C. (a + 4b)(a - 9b) D. (a - 4b)(a + b)
Sketch the yz-trace of the equation:
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?
A. ??
B. ?
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C. ?
D. ?
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E. ??
