HELP with all these

The C++ preprocessor directive #include is most like which C preprocessor directive? Why is each #include included? What is the purpose for this using directive? using namespace std: Translate each of the following C statements into its C++ equivalent. Assume using namespace std: is coded in the program so you are not required to scope-resolve references to the stream variables cin and cout. Describe/Define each of the 3 tokens used to code the scope-resolved reference the stream variable cout, namely, std:: cout. std:: cout Make the following 2-line sentences into C++ comments using appropriate C++ comment-building syntax. Make these 2 lines a single 2-line C++ comment. Make these 2 lines 2 1-line C++ comments. Evaluate the bool expression (true || false && false || ! false)