Perform the indicated operation. Write the result in standard form.(4 - 2i) + (-7 - 8i) - 8i
A. -11 - 18i
B. 11 - 10i
C. -3 + 18i
D. -3 - 18i
Answer: D
Mathematics
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Write the standard form of the equation of the circle.Center (0, -5), r = 7
A. (x - 5)2 + y2 = 49 B. (x + 5)2 + y2 = 49 C. x2 + (y + 5)2 = 49 D. x2 + (y - 5)2 = 7
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Use the zero-factor property to solve the equation.2x2 - 14x + 24 = 0
A. {-4, -3} B. {3, 4} C. {-3, 4} D. {-4, 3}
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Find the value of the indicated trigonometric function for an acute angle ? in a right triangle.tan ? = 
Find cot ?.
A. 
B. 
C. 
D. 
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Complete.15
gal = 
qt
A. 30 B. 62 C. 124 D. 60
Mathematics