Discrete Math about Directed Graph. Please answer those questions.

Q1

What is the length of the walk described in the following image? In the following image, a graph is visually represented on the left and the outline of its adjacency matrix is on the right. What is the value of the matrix entry for row "black" and column "red" as indicated as the question mark? .C. Q. . - O C If G is a graph with vertices v, w, then v Gn w if and only if ... O There is a path of length n from v to W. O There is a path of length n from w to v. O There is a walk of length n from v to W. O There is a walk of length n from w to v.Complete the definition of the identity relation on a set A by selecting the best option to replace the dots. a ID A b OabA weak partial order on a set is a relation on that set such that the relation is _ Choose all the required properties for the relation to be a partial order. transitive symmetric asymmetric antisymmetric reexive An equivalence relation on a set is a relation on that set such that the relation is ___ Choose all the required properties for the relation to be an equivalence relation. ' transitive symmetric asymmetric antisymmetric reexive