Find the rectangular form for the indicated power of the complex number.z4; z = 
A. 4
B. -4
C. 4i
D. -4i
Answer: B
Mathematics
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Find the coordinates of the centroid of the given figure.The solid generated by revolving the first-quadrant region under the curve of 
about the y-axis
A. 
B. 
C. 
D. 
Mathematics
Determine whether the relation is a function.
A. Not a function B. Function
Mathematics
Solve the problem.A vertex of degree 1 in a tree is often called a leaf. What is the smallest number of leaves that a tree on 100 vertices can have?
A. 0 B. 1 C. 99 D. 2 E. 100
Mathematics
Find an equation for the ellipse described.Center (0, 0); major axis vertical with length 14; length of minor axis is 8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics