Please help me awnser these questions.

14. When you declare a variable or a named constant, Visual Basic reserves an area of memory and assigns it a name called a[n). A. identifier B. identity C. declaration D. dimension 15. Which of the following is NOT a valid rule for naming identifiers? A. Names may contain underscores. B. Names may contain letters. C. Names may contain digits. D. Names may contain spaces. 16. Which of the following does not follow the conventions for naming identifiers? A. Units EnrolledDecimal B. ZipCodeString C. Amount.Due.Decimal D. COUNTRY_OF_BIRTH_String 17. Which of the following is NOT a rule for naming identifiers for constants? A. Include the data type at the end of the identifier. B. Everything in the identifier's name should be capitalized except the data type. C. Identifiers for constants should begin with a prefix of Const. D. Identifiers for constants should use an underscore between words. 18. Which of the following is a valid statement that can be used to declare a local variable that will store whole numbers? A. Dim IndexWhole as Whole B. Dim IndexString as String C. Dim IntegerIndex as Index D. Dim IndexInteger as Integer 19. A variable is declared inside a procedure. A. namespace B. module-level C. local D. block variables. 20. Variables declared within a button's click-event are A. local B.module-level C. namespace D. private