[Plugin: mycred] Get echo $users and echo $balance

hello guys,
I need to get the number of users in another page outside of blog pages and I also need another page that do echo $balance that will show the balance of the logged user 🙂 please help I tried these ones but both are giving errors 🙁
users.php:

<?php
$users = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->users");
echo $users
?>

balance.php:

<?php
 if(function_exists('cp_displayPoints') && is_user_logged_in() ) { cp_displayPoints($user->ID); echo ' Store Credit points!';
 ?>

help me please 🙂
thanks,
have a nice day.