Given two vectors by Cartesian components

vec$(A)=3$hat$(i)+4$hat$(j),$vec$(B)=2$hat$(i)-5$hat$(j)$

What is the magnitude of vec$(A)-$vec$(B)?$

A$.10$

B$.4$

C$.\sqrt[\phantom{2}]{82}$

D$.\sqrt[\phantom{2}]{26}$