use the textbook for reference which is, starting out with c++ from control structures through objects, 9/E. and please adress all the questions.

Answer the following questions please. Add a short paragraph for each answer. 1. What is a constant variable? 2. Why do you use a constant variable? 3. What is a magic number? 4. Search the internet to find another programming language that uses constants. What is the name of the language? What is the syntax for declaring a constant variable