Simplify. (Assume all variables are nonzero.)-50
A. -1
B. 1
C. -5
D. 0
Answer: A
Mathematics
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Solve the problem.Every spanning tree of the following network contains edge
A. DE B. BE C. BC D. CD E. none of these
Mathematics
Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x,y) = x + y ; ? = 0.02
What will be an ideal response?
Mathematics
Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.
A. y-axis symmetry B. origin symmetry C. neither
Mathematics
Rewrite the following angle in degree measure.
?
?
A. -190° B. -180° C. -200° D. -170° E. -160°
Mathematics