When you press Enter and formatting marks are turned on, you will see a ________ at the point where you pressed enter

The purpose of the ________ element is used to configure the headings for a web page document or section of a web page document

a. headings b. nav c. header d. head

For String c = "hello world";

The Java statements int i = c.indexOf('o'); int j = c.lastIndexOf('l'); will result in: a. i = 4 and j = 8. b. i = 5 and j = 8. c. i = 4 and j = 9. d. i = 5 and j = 9.