Related Clues:

• Donna Summer's 'On the --'
• 50/50
• 'A Chorus Line' song
• ___ of a kind
• Leading figure
• With 25-Across, 50%
• Dashboard device
• Communication device
• The loneliest number
• Unit
• "... there remained not ___." (Ex. 8:31)
• 'That's ___ for the books!'
• Die roll
• Some waves
• Divided by itself, the result is the same