Question: DO THESE IN PERL declare and initialize 1 ) integer A initialize 4 5 string B Hello What are the results of these 2 operations

DO THESE IN PERL
declare and initialize
1)integer A initialize 45
stringBHello
What are the results of these 2 operations ?
A + B
A.B
2)for the stringHellowrite expression to matchllor o
and print out " ll or 0 found "
3)write expression to substitutexx for ll

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