"unqualifiied-id expected before"if" error

Projects Programming
2 
  const int nodetect=100;
  const int fardetect=80;
  const int meddetect=60;
  const int closedetect=40;
  const int veryclosedetect=20;
  if (microsecondsToInches >= nodetect){
   digitalWrite(ledpin,HIGH);
   delay(slowflash);
   digitalWrite(ledpin,LOW)
   delay(slowflash);
  }
  if  (microsecondsToInches >= fardetect && (microsecondsToInches <= nodetect))
  {
   digitalWrite(ledpin,HIGH);
   delay(medflash);
   digitalWrite(ledpin,LOW);
   delay(medflash);
  }
  if  (microsecondsToInches >= meddetect && (microsecondsToInches <= fardetect))
  {
   digitalWrite(ledpin, HIGH);
   delay (fastflash);
   digitalWrite(ledpin,LOW);
   delay(fastflash);
  }  
  if (microsecondsToInches >= closedetect && (microsecondsToInches <= meddetect))
  {
   digitalWrite(ledpin,HIGH);
   delay(superfastflash);
   digitalWrite(ledpin,LOW);
   delay(superfastflash);
 }
  if (microsecondsToInches >= veryclosedetect && (microsecondsToInches <= closedetect))
  {
   digitalWrite(beeppin, HIGH);
   delay (superfastflash);
   digitalWrite(beeppin,LOW);
   delay(superfastflash);
 }

All that stuff needs to be inside a function.

You've declared a number of variables inside setup that you never use.

Please use CODE TAGS when posting code, do not use "format for forum" or whatever it is called