[Warning: mysql... expects parameter 1 to be resource, boolean given]

Please help me with these erros i encounterd while configuring mysql tables

 

1. Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/user/public_html/sample/f..php on line 52

 

$query = mysql_query("SELECT * FROM ".$table." WHERE ".$where." = '".$equals."'");

} else {

$query = mysql_query("SELECT * FROM ".$table."");

}

$hasil = mysql_fetch_array($query);

 

 

2. Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given

 

 

 <li class="active"><a href="#investment" data-toggle="tab">ToTal Investments (<?php echo mysql_num_rows(mysql_query("SELECT * FROM invest")) ?>)</a></li>

 

 

3. Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given

 

 

 

   <li class="" onclick="payout();"><a href="#payout" data-toggle="tab">Total Payouts (<?php echo mysql_num_rows(mysql_query("SELECT * FROM invest WHERE status = 'Paid'")) ?>)</a></li>

 

4. Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in 

 

$query = mysql_query("SELECT * FROM invest WHERE status = 'Paid' ORDER BY id DESC");

      while($rows = mysql_fetch_array($query)) {

      switch ($rows['status']) {

      case "Paid" : $countdown = '<td>'.'<span class="label label-success">Paid!</span>'.'</td>'; break;