Hi expert please answer these discrete math questions

QUESTION 1 The sum of the degrees of all vertices in any graph must be odd. O True O False QUESTION 2 In any graph, the number of vertices with odd degree must be odd. O True O False QUESTION 3 How many vertices and edges (total) must a graph have if its degree sequence is (5, 4, 4, 3, 3, 2, 1)? QUESTION 4 Every subgraph is also an induced subgraph. O True O False QUESTION 5 What is the degree of vertex b? e a C QUESTION 6 C7 is bipartite. O True O False QUESTION 7 When two vertices of a graph are connected by an edge. we say they are adjacent. O True O False QUESTION 8 A graph is complete if every pair of vertices is connected by an edge. O True O False QUESTION 9 Every induced subgraph is also an ordinary subgraph. O True O False QUESTION 10 If 7 people each shake hands with each other, how many handshakes took place