For the following question(s), refer to the digraph below.
Vertex D is
A. incident to vertex C only.
B. incident to vertex B only.
C. incident to vertices E and B.
D. incident to vertex E only.
E. none of these
Answer: B
Mathematics
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Simplify.(7 + 5)[4 + (7 + 6)]
A. 64 B. 204 C. 1610 D. 595
Mathematics
If one angle in a parallelogram is 135°, then one of the other angles of the parallelogram is
(a) 135° (b) 45° (c) 55° (d) Both (a) and (b) are correct. (e) Both (a) and (c) are correct
Mathematics
Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.21
- 12
A. 63
B. 33
C. 9
D. 9
Mathematics
Solve the system by the substitution or the addition method.
A. 
B. 
C. 
D. (2, -3)
Mathematics