Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. A is incident from C, D, and E; B is incident to D and E and incident from C; D is incident to C and incident from E.Which of the following is not a path from vertex B to vertex A in the digraph?
A. B, D, A
B. B, D, C, A
C. B, E, A
D. B, C, D, A
E. all of these are paths from A to E.
Answer: D
Mathematics
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Add or subtract. Express the answer as a mixed number.11 - 4
A. 10
B. 7
C. 7
D. 6
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Evaluate the sum. Round to the nearest hundredth, if necessary.
A. 262,144 B. 4096 C. 384 D. 5440
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Multiply, then simplify the product. If variables are present, assume they are positive.(
+ 6)(
+ 2)
A. x
+ 12
B. x
+ 
+ 12
C. x
+ 2
+ 6
+ 12
D. x
+ 12
Mathematics
Find the x- and y-intercepts of the graph of the equation. 15y - 5x = -10
A. x-intercept: -2; y-intercept: - 
B. x-intercept: 2; y-intercept: - 
C. x-intercept: - 
; y-intercept: -2
D. x-intercept: - 
; y-intercept: 2
Mathematics