Need anwers from 22-30

for C++

q. In the following code class Dummy public Dummy (double); Dummy () string ToString()const; II 2 private: double _number; a. The method marked is called: 22 b. The method marked 2 is called:--23 r. The characteristics of a class constructor are: 24_and 25- The following Write the declaration of a variable that will represent a ords are access identifiers:~26_and27 t. u. matrix of 5 by 3 floats28 What is the output of the following two segments of code (note there are 3 lines on the Make sure you clearly indicate any spaces and end of lines File.txt tring line, str ifstream fin( file.txt" string ine, str ifstream fn("file.txt"); You are The best fin >> str: getline(fin, line cout > str; cout