Which of the following are separable differential equations?

A$.$ dydx$=1+$xy

B$.$ dydx$=$e$(3$x$+2$y$)$

C$.$ yln$($x$)$dydx$=($y$+1$x$)2$

D$.$ x$(1+$y$2)12$dx$=$y$(1+$x$2)12$dy

E$.$ dydx$=$x$+$y

F$.$ dydx$=$sin$($xy$)$