A small business is currently using a paper-based system for billing, which is slow and error-prone.  Which system upgrade will make the process faster and have fewer errors?

When you send someone an email address, it travels across the Internet to the ____________________ email server at your ISP.

Fill in the blank(s) with the appropriate word(s).

To activate the Subtract from selection button, you can select it on the options bar or hold down the ____ key while dragging.

A. CTRL B. ALT C. SHIFT D. - (minus sign)