In Questions fiLl in the Blanks $\text { Every Euler circuit for } K _ { 9 } \text { has length }$

Q12: Find the vertex-chromatic number, the edge-chromatic

Q13: In questions fill in the blanks.1113:1156<br>-The

Q15: Find the edge chromatic number for each

Q16: In questions fill in the blanks.1113:1156<br>-

Q18: In questions fill in the blanks.1113:1156<br>-The

Q20: Find the edge chromatic number for each

Q21: Determine whether this graph is planar. <img

Q63: either give an example or prove that

Q65: fill in the blanks.<br>-There are _ non-isomorphic

Q124: During the construction of a home there