2004 #13 and 29

Multiply or divide? You decide..

 Difficulty: Algebra rules.

Difficulty: Well, do we count her different personalities as different people?

Standard instructions for this series: No calculator allowed. Express answers in reduced form. Rationalize denominators. Radicals must be reduced. All numbers are base ten unless otherwise specified. Do not approximate radicals or π. Leave such answers as 1025π or √39, for example. Source: UVM Math Contest 2004

answer 13, answer 29.