Solve the problem.How many spanning trees does the following network have?
A. 5
B. 8
C. 3
D. 4
E. none of these
Answer: D
Mathematics
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Find the indicated product.Let A = {2, 3} and B = {a, b}, determine n(A × B).
A. 4 B. 6 C. 0 D. 2
Mathematics
Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?CDA and ?ADE adjacent angles?
A. No B. Yes
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 7x + 15, g(x) = 3x - 1;
Find the function f ? g.
A. 21x + 14 B. 21x + 44 C. 21x + 22 D. 21x + 8
Mathematics