Solve the equation by the method of your choice. Simplify irrational solutions, if possible.x2 + 18x + 66 = 0
A. {-18 ± 
}
B. {-9 ± 
}
C. {9 ± 
}
D. {9 ± 
}
Answer: B
Mathematics
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x(t + 1) - 4t
= 9, 2y + 4y3/2 = t3 + t, t = 0
A. 6
B. 3
C. 
D. 
Mathematics
Find all values of ? with the given trigonometric function value.sec ? = -
A. 225° + n ? 360°; 315° + n ? 360°, n any integer B. 45° + n ? 360°; 225° + n ? 360°, n any integer C. 45° + n ? 360°; 315° + n ? 360°, n any integer D. 135° + n ? 360°; 225° + n ? 360°, n any integer
Mathematics
Use a calculator to evaluate the expression. Round your answer to three decimal placeslog 
A. 0.097 B. -10.319 C. -0.223 D. -0.097
Mathematics
Find the area of the figure.24 ft
43 ft
A. 1697 ft2 B. 2193 ft2 C. 4154 ft2 D. 1433 ft2
Mathematics