Determine the real solutions to the system of nonlinear equations.2x2 + xy - y2 = 3x2 + 2xy + y2 = 3
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: A
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State whether you would expect the data set to be normally distributed.Age at death for residents of the U.S.
A. Normal B. Not normal
The figure below is a square ABCD with center O. (M, N, P, and Q are the midpoints of the sides.)
A glide reflection sends the point A to the point Q and the point P to the point C. The image of B under this glide reflection is
A. N. B. P. C. A. D. D. E. none of these
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex cube roots of -8i
A. 8(cos 90° + i sin 90°), 8(cos 210° + i sin 210°), 8(cos 330° + i sin 330°) B. 512(cos 90° + i sin 90°), 512(cos 210° + i sin 210°), 512(cos 330° + i sin 330°) C. 2(cos 90° + i sin 90°), 2(cos 210° + i sin 210°), 2(cos 330° + i sin 330°) D. 2(cos 180° + i sin 180°), 2(cos 300° + i sin 300°), 2(cos 60° + i sin 60°)
Evaluate. 
A. 5,739,370 B. 2,869,685 C. 344,362,200 D. 68,872,440