Need answers to these questions

11. Write a statement that sets the focus on the txtLastName TextBox object. 12. Write a statement that removes the contents of the txtAge TextBox object. 13. Write a statement that blanks the Text property of the lblEligibilityAge Label object. 14. Write a statement to convert the value in the String variable strWaistSize to an integer value and place the integer value in a variable named intWaistSize. 15. Write a statement to convert the value in the String variable strHourlyPay to a Decimal value and place the Decimal value in a variable named decWage. 16. Write a statement to close a form that currently is open. 17. Write a statement that declares a constant named decInsuranceDeductible as a Decimal data type and set its value to 379.25. 18. Which Windows Form property allows the user to press the enter key while the form is active and activate a button's event handler? 19. What is a local variable? How does its scope differ from that of a global variable? 20. When the following statements are executed, what would be displayed in the lblHourlyWage Label object? decHourlyWage = 12.637 lblHourlyWage.Text = decHourlyWage.ToString(C)