Answer:
Trello
Step-by-step explanation:
The web apps that best suits his needs will be TRELLO because Trello will help Bentley to plan , monitor activities, and as well maintain his dashboards reason been that Trello help to organize tasks, projects and shared files, including anything that can helps a company or an individual team to work together and since Bentley is the head of a software development team and needs to use a web app for project management I think and felt that TRELLO will best suit his needs because Trello will as well help him to organizes his projects into boards.