Show all your work clearly and neatly on the space provided Little or no credit will be given for a solution without the appropriate work is shown
(a) Find the order of a 7-regular graph that has size 42.
(b) What is the order of a complete graph with size 55?
(c) What is the order and size of the cubic graph Q5?
(d) Find Size of the join graph K4 + Q3.