The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the maximum spanning tree is
A. 132.
B. 124.
C. 40.
D. 116.
E. none of these
Answer: D
Mathematics
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Write in the required form.-4
; fraction
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to find an approximate value for s in 
having the given circular function value. Round your answer to eight decimal places.csc s = 1.53851100
A. 0.70755694 B. 0.80755694 C. 0.60755694 D. 0.50755694
Mathematics
Write the mixed number as an improper fraction.4
A. 
B. 
C. 
D. 
Mathematics
Simplify the power of i.
A. -1 B. -i C. 1 D. i
Mathematics