Please solve those questions

4.3 languages C and C++) distinguish between declarations and definitions Some What is the distinction Give an example of each each. (e.g. 4.5 Most programming languages prohibit redeclaring the same variable name within a scope. (a) Given an example showing why just the type alone cannot be used to distinguish such a duplication of name. (b) Why is is that we do not have this restriction for function name overloading? 4.6 For the language c, a) give three examples of right-hand-values (r-values) that cannot be left-hand values (1-values). b) give three additional examples of 1-values? c) are there 1-values that cannot be r-values? Explain why or why not