Solve for the specified letter.R = nE - nr, for n
A. n = R + nr - E
B. n = 
C. n = 
D. n = R - E + r
Answer: C
Mathematics
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Determine the number of spanning trees in the graph.
A. 12 B. 36 C. 35 D. 13
Mathematics
Solve the problem.If f varies jointly as q2 and h, and 
when 
and 
find f when 
and 
A. f = -10 B. f = -90 C. f = -30 D. f = -18
Mathematics
Factor the binomial completely. If it is prime, say so.4s2 - 49t4
A. (2s + 7t2)2 B. (2s - 7t2)2 C. (2s + 7t2)(2s - 7t2) D. Prime
Mathematics
Provide an appropriate response.The fraction 
written as a decimal number is:
A. a repeating fraction
B. 0.67 as an approximate decimal equivalent
C. 0.66
as an exact decimal equivalent
D. all of these
Mathematics