Determine the real solutions to the system of nonlinear equations.x2 + y2 = 8 -5x + y2 = -6
A. (2, 2)
B. (2, 2), (2, -2), (-7, 2), (-7, -2)
C. (2, 2), (2, -2)
D. (2, 2), (2, -2), (-2, 2), (-2, -2)
Answer: C
Mathematics
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For right triangle ABC, m
= 90°. If b = 8 and c = 12, find cos B (or cos 
).
What will be an ideal response?
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Write the given number in the situation as an integer.The height of the mountain was 14,575 feet.
A. -14,575 feet B. 14,575 feet
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Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 
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If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.The speed of light is 1.86 × 105 miles per hour.
A. 1,860,000 B. 186,000 C. 0.0000186 D. 18,600,000
Mathematics