Simplify the expression. Assume that variables represent nonzero numbers.
4
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify.
A. 3
B. 3
C. 9
D. 6
Mathematics
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 4 and x = 4. The cross sections perpendicular to the x-axis are circular disks whose diameters run from the parabola y = x2 to the parabola y = 32 - x2.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the equation by using the square root property. Express any complex numbers using i notation.x2 + 100 = 0
A. x = ± 11i B. x = 10i C. x = -50 D. x = ± 10i
Mathematics
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
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?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics