In the Existing Customers login box at the top of the homepage or in the Account Center you will see the link «Forgot your Password?» (cashadvance.com)
Google Classroom students are not able to log in using the Science Buddies login boxes. (sciencebuddies.org)
With this account you can login later, using the login box on the left side, to check or edit your contributions or to change your personal data. (express.converia.de)