Your trash can is in the dock, you can adjust the preferences in the dock to keep the it exposed by clicking off Automatically hide the dock preference.
or
use the keyboard
Move the selected item to the Trash
⌘ + Delete
Empty the Trash
⌘ + Shift + Delete
Empty the Trash without any warning or when it contains locked files
⌘ + Shift + Option + Delete
Option + choose Finder > Empty Trash