You can add any of these mathematical symbols to the formula
Send answers to teacher
Your browser doesn't support Text to Speech. This is the text of the listening.
Are you sure you want to delete this join?
Your answers have been saved, you can continue working on this task later. Remember you must finish the worksheet to send answers to your teacher.
Are you sure you want to finish this worksheet?
Uploading files, please wait...
Sending your answers. Please wait a moment...
Your session has expired. To complete the worksheet you must reload the page.
PAMELA FERREIRA 
