Solve the quadratic inequality. Express your solution on a number line using interval notation.x2 - 2x - 24 ? 0
A. [6, ?)
B. (-?, -4] ? [6, ?)
C. [-4, 6]
D. (-?, -4]
Answer: C
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Determine the type of curve from the given information.A pool table is in the shape of a conic with the property that if a ball sitting at a focus is struck toward the rail, it will head toward the other focus after rebounding from the rail. What type of curve describes the shape of the pool table?
A. Hyperbola B. Ellipse C. Parabola D. None of the above
Solve the problem.72 parakeets out of a total of 144 parakeets were treated for an illness. What percent of the parakeets were treated for the illness? Round to the nearest whole percent.
A. 36% B. 1440% C. 14% D. 50%
Answer the question.In your own words, describe how a spanning tree is obtained from a graph.
What will be an ideal response?
Find the exact value of the expression.cos 25° cos 35° - sin 25° sin 35°
A. 
B. 
C. 
D. 