Tell whether the statement is true or false.
? 
A. True
B. False
Answer: B
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Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. B is incident from D, E, and A; C is incident to E and A and incident from D; E is incident to D and incident from A.Vertex B has
A. indegree 1, outdegree 2. B. indegree 2, outdegree 1. C. indegree 3, outdegree 0. D. indegree 0, outdegree 3. E. none of these
Solve the problem.A quantity, of it,
of it, and
of it, added together, equals 22. What is the quantity?
A.
B.
C.
D.
Solve the problem.BT&T charges $0.41 for the first minute and $0.25 for each additional minute for a long-distance call. How much will a 30 minute long-distance call cost?
A. $7.66 B. $0.09 C. $12.30 D. $7.50
Name the law illustrated.1(r + 2) = (1)(r) + (1)(2) = r + 2
A. distributive law B. associative law for multiplication C. commutative law for multiplication D. commutative law for addition