Determine the real solutions to the system of nonlinear equations.6x2 + y2 = 366x2 - y2 = 36
A. (0, 
), (0, -
)
B. (0, 6), (0, -6)
C. (
, 0), (-
, 0)
D. (6, 0), (-6, 0)
Answer: C
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Write one or more inequalities that describe the set of points.The closed region bounded by the spheres of radius 9 and 10, both centered at the origin, and the planes 
and 
A. 81 ? x2 + y2 + z2 ? 100 and 1 ? x ? 9 B. 9 ? x2 + y2 + z2 ? 10 and x = 1 and x = 9 C. 9 < x2 + y2 + z2 < 10 and x = 1 and x = 9 D. 81 < x2 + y2 + z2 < 100 and 1 < x < 9
Determine the indicated arc or angle.Find 
.
A.
| 68° |
B. Not enough information.
C. 112°
D. 124°
Provide an appropriate response.True or false? The equation (x + 13)2 = 0 has exactly one real solution. If false, give the correct number of real solutions.
A. True B. False; two C. False; zero D. False; three
Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 5,500,000
A. 4.0073 B. 6.7404 C. 0.0642 D. 15.5203