PHP JQUERY WEIRDNESS

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <title>Car Dealership Portal</title>

  <link rel="stylesheet" type="text/css" href="jquery.mobile.flatui.css" />

  <script src="jquery-1.10.2.min.js"></script>
  <script src="jquery.mobile-1.3.2.min.js"></script>
</head>
<body>
  <div data-role="page">
  <?php

        $db = mysql_connect("localhost", "student", "student")
        or die("I cannot connect to the database because: " . mysql_error());

        mysql_select_db("Dealership", $db);

        $result = mysql_query("SELECT COUNT( * ) AS  'Number of Cars' FROM CARS;") or die("Error in query: '$query'");


        while($row = mysql_fetch_array($result))
            {
                $numberOfCars = $row['Number of Cars'];

            }

        mysql_close($db);

    ?>
    <div data-role="panel" id="panel" data-position="right" data-theme="a" data-display="push"></div>
    <div data-role="header">
      <a data-iconpos="notext" data-role="button" data-icon="home" title="Home">Home</a>
      <h1>Car Dealership Portal</h1>
      <a data-iconpos="notext" href="#panel" data-role="button" data-icon="flat-menu"></a>
    </div>

    <div data-role="content" role="main">
        <input type="text" placeholder="Search for a Vehicle" />
        <div>
            <?php print "<p>Number of Vehicles on the Lot: " . $numberOfCars . "Var Dump:";  var_dump($numberOfCars);  print "</p>"; ?>
        </div>
        <div data-role="collapsible-set">
            <div data-role="collapsible" data-collapsed="false">
                <h3>Number of Appointments Today: 3</h3>
                    <p>Jon Snow 11:00am</p>
                    <p>Joffrey Baratheon 1:00pm</p>
                    <p>Eddard Stark 3:00pm</p>
            </div>
            <div data-role="collapsible">
                <h3>Number of Cars in Shop: 5</h3>
                <p>Porsche 911 GT3 Arya Stark</p>
                <p>Nissan GTR Ygritte</p>
                <p>BMW M3 Stannis Baratheon</p>
                <p>Audi RS6 Avant Tywin Lannister</p>
                <p>Lamborghini Aventador Petyr Baelish</p>
            </div>
        </div>
    </div>
  </div>
</body>
</html>