Fill in the missing factor.x2 - 3xy - 54y2 = (x + 6y)( )
A. -x - 9y
B. x + 9
C. x - 9y
D. x + 9y
Answer: C
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Solve the problem.The two charts show the weight gain of some people and the weight loss of other people. Use the information given to answer the question below. 
What is the difference between the weight gain of Bob and the weight loss of Frank?
A. 5065 g B. -3351 g C. -5065 g D. 3351 g
Solve the problem.Which apportionment method never violates the quota rule?
A. Hamilton B. Webster C. Jefferson D. Adams
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).-6 - 6i
A. 12(cos 240° + i sin 240°) B. 12(cos 290° + i sin 290°) C. 6(cos 240° + i sin 240°) D. 12(cos 180° + i sin 180°)
Find all values of x satisfying the given conditions.y = (x + 12)3/2 and y = 343
A. {-5}
B. {61}
C. 
D. {37}