Question

http://prntscr.com/2x0icc

Answer 1

25

Answer 2

Thanks for the medal. :)

Answer 3

np

Answer 4

not correct though

Answer 5

@katychar the answer he gave was incorrect.
\[\frac{ \sqrt{100} }{ \sqrt{4} } \rightarrow \sqrt{\frac{ 100 }{ 4 }}\]