Find the magnitude of the rotation of the figure below.
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After two years, how much has been paid into interest?

What is the missing constant term in the perfect square that starts with x^2 -20x

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?