Provide an appropriate response.Simplify: (3 - 2i) - (5 - 6i)
A. -2 + 4i
B. 15 - 12i
C. -2 - 8i
D. -2 - 4i
Answer: A
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Perform the operation and give the answer as a fraction in lowest terms.
A. 
B. - 
C. - 
D. 
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = x4 - 4x3 + 4x + 6
A. (0, 6) and (3, -9) B. (0.55, 7.63) C. (-0.53, 4.55), (0.65, 7.68), and (2.88, -9.23) D. (-0.5, 4.56), (1.65, 2.04), and (3.12, -8.25)
Expand.(4x + 2)3
A. 16x2 + 16x + 4 B. 16x6 + 8x3 + 64 C. 64x3 + 96x2 + 48x + 8 D. 64x3 + 96x2 + 96x + 8
Solve the problem.A conservation officer needs to know the width of a river in order to set instruments correctly for a study of pollutants in the river. From point A, the conservation officer walks 95 feet downstream and sights point B on the opposite bank to determine that ? = 30° (see figure). How wide is the river? 
A. 110 ft B. 47 ft C. 55 ft D. 165 ft