Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Parabola
B. Hyperbola
C. Ellipse
Answer: B
Mathematics
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Write the equation of the axis of symmetry.f(x) = x2 + 11x - 2
A. x = 0
B. x = - 
C. x = 11
D. x = 
Mathematics
Simplify, if possible.
- 4
A. 4
B. -2
C. -6
D. -
Mathematics
Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-261 ÷ (-9)
A. 19
B. 29
C. -29
D. 
Mathematics
Make the conversion indicated. Round your result to the nearest tenth.103°F ? 
°C
A. 217.4 B. 25.2 C. 39.4 D. 153.4
Mathematics