Which of the following are statements, and moreover are true?

$11011$

$2$

$+$

$10110$

$2$

$=$

$100001$

$2$

Help!

$($

$11$

$)$

$($

$13$

$)$

$=$

$143$

What time is dinner?

x

$2$

$+$

y

$2$

$=$

$25$

C

A

$16$

$>$

$276$

$8$