18.)Find the converse of the true statement: "If a polygon has three sides, then it is a triangle."

19.)Listtheelementsof{(2)n2nn=0,1,2,3}

20.)Let C = ( 9 3. )FindC^-1ifpossible.

6. 2 21.)Definerelationpon{1,2,3,4}byp={(a,b):a+b>4}.Writetherelationasasetoforderedpairs.

22.)Giventheprepositions:p:Itisquietq:WeareinthelibraryFindanEnglishsentencecorrespondingtopq

23.)FindP(18,4)

24.)LetA={1,5,7,9}B={2,7,9}C={0,5,9}find(AC)B