How many vertices and how many edges does Kn have? Multiple Choice It has n(n-1)/2 vertices and n edges. It has n vertices and n(n-1)/2 edges. It has n vertices and n(n+1)/2 edges. It has n(n+1)/2 vertices and in edges.

You break your piggy-bank to discover lots of pennies and nickels. You start arranging these in rows of 6 coins. a. You find yourself making rows containing an equal number of pennies and nickels. For fun, you decide to lay out every possible such row. How many coins will you need? b. How many coins would you need to make all possible rows of 6 coins (not necessarily with equal number of pennies and nickels)?

Solve. 3 Tabatha is asked to find the prime factorization of 54 using a factor tree. She made the factor tree shown. Her answer is 2 • 3 • 9. What mistake did Tabatha make? Explain.

Find the value of z when the algorithm segment is executed. i:= 4 if (i 7) then z := 2 else z := 0 Z =