Marisol wants to learn more about best practices for sending code from the developers to the users Which of these would be the best webinar for her to attend?

Managing the Software Development Life Cycle
Everything You Didn't Know About Maintenance
Top-Down Programming for Dummies
Introduction to Deployment

The best webinar for Marisol to attend would be "Introduction to Deployment." This webinar would provide information on the process of sending code from the developers to the users, which aligns with Marisol's interest in learning about best practices for this aspect of software development.