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the top 3? 18. Laura has 'lost' Jordan's phone number. All she can remember is that it did not contain a 0 or 1 in the first three digits. 1. How many seven-digit telephone numbers are possible if repeated digits esboo are allowed? an to sber 2. Laura remembers that not only was there no O's or 1's in the first three digits, but also that there were no repeated numbers in the entire phone 15 0 number. How many less combinations will she have to try now? 19.5 Boys and 8 Girls go to the Halloween dance. Lori and Julie will not dance with Bert or Tyler. Charles will not dance with Diana or Sara. How many boy/girl couples can be made? 20.wee vert intim scifivitos jo enoisenidmoo Jhenenib wiem won bien Sonice Tas ant S roomon ont ment sbam ed neo enedmun neve tipib e vem woll at bewalls credmun belseger on alliwas Ynemwort,3 0 gnlau or Shewolle shelb bolsegen Hiw a vo eldiario vineve cis esunion dpib bewolle