Using C++ program please answer these questions for me.

I will rate you after my grades

1. Which of the following are valid C++ identifiers? Please circle them a) firstCPPProject b) POP_QUIZ c)C++Program2 d)quiz7 c) ProgrammingLecture2 f) 3feetINI Yard g) Mike'sFirstAttempth) Update Grade i4th j) New_Student 2. Calculate the following expressions 4% 12= 4.0/12 4/12.0- 3. what is the output of the following statements? Suppose a and b are int variables, c is double variable, and a-13, b-5 and 17.5 a) cout(b)+2*c(c)%5+a-bendl - cout