Discrete mathematics

Question 16 (1 point) Listen Fill in the blanks to complete the following definition: If G and H are graphs, then H Is .Iff H Is a subgraph of G and V(H) = VIG) a weak subgraph of G. a proper subgraph of G. Can induced subgraph of G. None of the other answers here are correct O.a spanning subgraph of G.Question 17 (1 point) Thisten For any n 2 4, what is the chromatic number of the complete graph Ka? Q 2 if n is even and 3 if n Is odd O2 On 1 OnQuestion 18 (1 point) Listen Select all of the following which are TRUE: ON (0) =0 Dai(1)I = 1(2)1 DD z+ CQQuestion 19 (1 point Listen Which of the following is one of the Commutative Laws for sets] OAUB = BUA None of the options shown O AUB = AnB O A = A OAn(BAC) = (AnBINC "OAU(BACI= (AUB)NAUC)Question 20 [1 point) iListen For any sets A, B. the relative complement of # In A is the set Ofx | x E A and x E B) ONone of the options shown Off | FE A and x # B) O(x x E AoriE B) OurIEA \\ BorkEB\\A)