$(1$ point$)$

In the circuit below, VS$=50$V$,$R$1=48\backslash$Omega $,$R$2=120\backslash$Omega $,$R$3=95\backslash$Omega $,$R$4=220\backslash$Omega $.$ Find:

$($a$)$ The equivalent resistance $($Req$)$ at the dashed line. $($Combine all resistors to the right of Req to find Req.$)$

$($b$)$ v$1$

$($c$)$ v$2$

$(-1)$:

$($a$)$ Req$=\backslash$Omega

$($b$)$ v$1=$V

$($c$)$ v$2=$V

$($d$)$ i$4=$mA