Find an equivalent fraction with the given denominator.
= 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Factor.z6 + 1
A. (z + 1)(z - 1)(z4 - z2 + 1) B. (z + 1)(z - 1)(z2 + z + 1)(z2 - z + 1) C. (z3 + 1)(z3 - 1) D. (z2 + 1)(z4 - z2 + 1)
Mathematics
Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by x = 4
, x = - 4y, and y = 1 about the line y = 1
A. 
?
B. 4?
C. 
?
D. 
?
Mathematics
Add a constant term to the expression to make it a perfect square.x2 - 
x
A. - 
B. - 
C. 
D. 
Mathematics
Find the root. 
A. Not a real number B. 48.6 C. 3 D. 4
Mathematics