To help determine if you want to use a site as a reference, you can check the _______ in a website's URL to see if it tells where a webpage originated.

Which of the following types of graphs is useful for visualizing hierarchical data along multiple dimensions?

a. heat map b. treemap c. trendline d. parallel coordinates plot

When worksheets are grouped, which of the following is true?

A) The worksheets are locked. B) [Group] appears in the title bar. C) A lock appears in the title bar. D) The worksheets cannot be edited.