Evaluate the determinant.
A. -890
B. -134
C. 134
D. 1142
Answer: C
Mathematics
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 5 tan ?, y = 4 cot ?
A. y = 
cos x
B. 
= 20
C. xy = 20
D. y = 
sin x
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Solve the equation.log9 (x2 - 8x) = 1
A. {9, -1} B. {9} C. {-9, 1} D. {1}
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Solve the problem.The maximum afternoon temperature in Granderson is modeled by 
where t represents the maximum afternoon temperature in degrees Fahrenheit in month x, with 
representing January, 
representing February, and so on. Find the maximum afternoon temperature in June.
A. 88°F B. 36°F C. 87°F D. 92°F
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Solve the problem. Round dollar amounts to the nearest cent.Find the average inventory at retail.
A. $84,393.00 B. $98,720.00 C. $296,160.00 D. $74,040.00
Mathematics