Write each statement in symbolic form.

$($a$)$ If Alex studies daily and get enough sleep, then he passes the exam.

$($b$)$ If Alex does not pass the exam, then Alex does not study daily or does not get enough sleep.

$($c$)$ If Alex passes the exam, then he studies daily and gets enough sleep.

Where:

Let $p$ represent the statement "Alex studies daily."

Let $q$ represent the statement "Alex gets enough sleep."

Let $r$ represent the statement "Alex passes the exam."