Find the domain of the rational function.h(x) = 
A. {x|x ? -2, 2}
B. {x|x ? 0, 4}
C. {x|x ? -2, 2, -7}
D. all real numbers
Answer: B
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Solve the problem.The front face of a rectangular aquarium has length to width ratio of 3 to 7. The perimeter of the rectangle is 50 inches. Find the length of the rectangle.
A. 185.5 in. B. 35 in. C. 15 in. D. 7.5 in.
Find a rectangular equation for the plane curve defined by the parametric equations.x = 
, y = 2t + 5; 0 < t < ?
A. y = 2x2 - 5; for x in 0 < x < ?
B. y = 2
+ 5; for x in 0 < x < ?
C. y = 2x2 + 5; for x in 0 < x < ?
D. y = 2
- 5; for x in 0 < x < ?
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.9
+ 9i
A. 18( cos 300° + i sin 300°) B. 18( cos 30° + i sin 30°) C. 18( cos 330° + i sin 330°) D. 18( cos 60° + i sin 60°)
Refer to the figure below to answer the problem.
 FIGURE.png)
What interior angle is adjacent to the exterior of ?ABD?
 multiple choice.png)