If $A={01101101}_2$ and $B={11000011}_2$

$($a$)$ Calculate A plus $B$ in binary.

$($b$)$ Calculate $B$ minus $A$ in binary.

$($c$)$ Check the previous result by adding $B$ to the two's complement of $A.$

$($d$)$ Convert $A$ to hexadecimal.

$($e$)$ Convert $B$ to hexadecimal.

$($f$)$ Without a calculator, convert $A$ to decimal.

$($g$)$ Without a calculator, convert $B$ to decimal.