Solve the problem.Any spanning tree of the following network contains
A. edges AB and DE.
B. edges AB, BC, CD, and DE.
C. each edge of the graph.
D. edge BD.
E. none of these
Answer: A
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = x + tan-1(xy), x = t + 4, y = 4t2
A. 1 + 
B. 1 - 
C. 1 + 
D. 
Mathematics
Solve the problem.An open rectangular box with a square base has height 
Sketch the surface area as a function of the length of one side of the base.
A. 
B. 
C. 
D. 
Mathematics
Find the value of r and determine if a correlation exists at the indicated level of significance.
?? = 0.01
A. r = 0.9710; Correlation exists. B. r = 0.9710; Correlation does not exist. C. r = 0.9971; Correlation exists. D. r = 0.9997; Correlation exists.
Mathematics
Divide.
A. 771 R4 B. 775 C. 771 R5 D. 771
Mathematics