Perform the indicated operation and simplify if possible.
? 
A.
B.
C.
D.
Answer: C
Mathematics
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Assume you have a graph with vertex set V = {A, B, C, D, E} and edge set E = {AB, AE, BD, BE, CD, and DD}.The degree of vertex E is
A. 3. B. 1. C. 0. D. 2. E. none of these
Mathematics
Solve.How long will it take for the population of a certain country to double if its annual growth rate is 4.1%? (Round to the nearest year.)
A. 49 years B. 1 year C. 7 years D. 17 years
Mathematics
Solve the problem.Estimate the sum by rounding each addend to the nearest thousand: 2,239 + 3,855
A. 6100 B. 4000 C. 6000 D. 7000
Mathematics
Multiply and, if possible, simplify. ?
A.
B.
C.
D.
Mathematics