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$a$, $b$, $c$, $d$, $e$, and $f$ are formed from three intersecting lines and represent the angle measures in degrees of their respective angles. Assume angle $e$ is $45$ degrees.

Which of the following statements is NOT always true?

A

$e$ and $b$ are complementary angles.

B

$c+d=180-b$

C

$f+45=e+b$

D

$d+f=135$

E

All of the statements are always true.

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