If you know that an optional Int property in a Swift class you are writing is never accessed when it might be nil, and you declare the property as an implicitly unwrapped optional, how much shorter (in characters) will the resulting code file be if the property is defined once and used 4 times.

You have inserted new slides based on a word outline. how do you format these new slides to match the powerpoint presentation formatting? a. select all slides in the presentation and click format on the home tab. b. select the new slides and click reset on the home tab. c. select all slides in the presentation and click reset on the home tab. d. select the new slides and click format on the home tab.

Which software would you use to create a print design? a. illustrator b. audacity c. reaper d. dreamweaver

From excel to powerpoint, you can copy and paste a. cell ranges and charts, one at a time. b. cell ranges and charts, simultaneously. c. charts only. d. cell ranges only.