Solve the polynomial inequality.x4 - 145x2 + 5184 < 0
A. (-9, -8) ? (8, ?)
B. (-9, -8) ? (8, 9)
C. (-9, 9)
D. (-?, -8) ? (8, ?)
Answer: B
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Solve.Find the eccentricity of an ellipse whose vertices are (-23, 0) and (23, 0) and whose foci are (-14, 0) and 
Fill in the blank(s) with the appropriate word(s).
Write the equation of a circle with the given center and radius.Center at (0, 0); Radius 7
A. x2 - y2 = 
B. x2 - y2 = 7
C. x2 + y2 = 49
D. x2 + y2 = 7
Graph the inequality.-2x - 3y ? 6
A. 
B. 
C. 
D. 
Solve.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 40 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 30 minutes?
A. 80 miles per hour
B. 
miles per hour
C. 45 miles per hour
D. 20 miles per hour