Solve the equation by completing the square.3x2 - 2x - 6 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
Mathematics
Graph the given line.x - 3.5 = 0
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.6(5x - 2) - 4(x - 4)
A. 26x - 6 B. 26x + 4 C. 6x + 4 D. 26x - 28
Mathematics
Give the center and radius of the circle. Then sketch its graph.(x + 2)2 + (y + 5)2 = 25
A. center (2, - 5), r = 5
B. center (- 2, 5), r = 5
C. center (2, 5), r = 5
D. center (- 2, - 5), r = 5
Mathematics