What were the major drawbacks to adding sound to movies?
a. Image and sound recording devices were different
b. Microphone and amplification were primitive
c. Recoding and playback required access to electricity
d. All the above

Using a conditional expression, write a statement that increments numusers if updatedirection is 1, otherwise decrements numusers. ex: if numusers is 8 and updatedirection is 1, numusers becomes 9; if updatedirection is 0, numusers becomes 7.

Match the following. 1. formatting that is applied when cell data meets certain criteria 2. borders with formats not found on the border tool 3. a shortcut bar that contains tools for commonly used formats 4. formats that can be applied to numbers conditional formatting custom borders format bar number formats

All nate specialties are offered at two levels, a. journeyman and master. b. installation and service. c. apprentice and journeyman. d. heating and air conditioning.