5. True or False. C++ is case sensitive. 6. Answer yes or no. (a) five+two is a valid identifier b) my name is a valid identifier (e) ho!ho is a valid identifier ) r6d2 is a valid identifier. (e) Alpha_9 is a valid identifier 7. Distinguish between a variable and constant. 8. True or false. In the following statement the semi-colon is optional: Z-35 9. Evaluate the following expressions )10%2 b)23%4 (c) 36%6 19/5 e) 19.0/5 10. What are the possible values for a? bool a 11. Evaluate: (12%)+1)*2/6+5+348/(22%10-3)