Use point plotting to graph the plane curve described by the given parametric equations.x = 4 tan t, y = 3 sec t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: D
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Solve.How many cubic feet of concrete are needed to pour 4 cylindrical pillars 6 feet high with a diameter of 10 inches? Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
Factor out the greatest common factor from the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Solve by completing the square to obtain exact solutions.x2 + 8x - 9 = 0
A. 1, -9 B. -1, 9 C. 0, -9 D. -3i, 3i
Find the center, vertices, and foci of the ellipse with the given equation.
+ 
= 1
A. Center: (0, 0); Vertices: (-10, 0), (10, 0); Foci: (-8, 0), (8, 0) B. Center: (0, 0); Vertices: (0, -10), (0, 10); Foci: (0, -6), (0, 6) C. Center: (0, 0); Vertices: (0, -10), (0, 10); Foci: (0, -8), (0, 8) D. Center: (0, 0); Vertices: (-10, 0), (10, 0); Foci: (-6, 0), (6, 0)