Solve the equation in the complex number system.x2 + x + 5 = 0
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.The region bounded by the lines x = 2, x = 6, y = -2, and y = 1 is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of this solid.
What will be an ideal response?
Solve the problem.The intensity L(x) of light x ft beneath the surface of a lake satisfies the differential equation 
. At what depth, to the nearest foot, is the intensity one tenth the intensity at the surface?
A. 26 ft B. 38 ft C. 13 ft D. 17 ft
Find the area and perimeter of the rectangle.Length = 11 mi, Width = 4 mi
A. A = 44 mi2, P = 14 mi B. A = 44 mi2, P = 30 mi C. A = 88 mi2, P = 15 mi D. A = 88 mi2, P = 16 mi
Change the decimal into a proper fraction or mixed number. Simplify if necessary. 4.2
A. 4
B. 
C. 1
D. 