MS Power Point
How do you add degrees of transparency to shapes such as arrows, so that the slide background shows though?

All of above
Use the Transparency slider in the Format AutoShapes dialog box
Use the Set Transparent Color button on the Picture toolbar
Use #D style 4 button on the drawing toolbar

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MS Power Point
To adjust the width of table columns, you

Drag the vertical gridline between two columns
Click table menu. Column width, then make adjustments
Drag the column markers on the table ruler bar
Drag the vertical gridline between two columns & Drag the column markers on the table ruler bar

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