The Fire tablet does not support Chromecast, the reason being that is is Amazon - they want you to buy a Firestick!
Display Mirroring on Fire TabletFrom your Fire tablet, swipe down from the top of the screen and tap Settings.Tap Display & Sounds, and then tap Display Mirroring.Tap the name of your TV or media streaming device. To stop displaying the screen, swipe down from the top of the screen and tap Stop Mirroring.
Suppose you managed to pick up one of Amazon's latest Fire devices recently—the 2019 Fire HD 10 (Ninth Generation), 2020 Fire HD 8 (Tenth Generation), or the 2020 Fire HD 8 Plus (Tenth Generation). Mirroring makes it possible for you to pull something up on your Fire tablet and have it show up on your TV.
The Overview tab in the dashboard provides a view of open, paused and closed jobs as well as how many people have applied to each position. From this tab, you can see how many people you've phone screened, how many you've interviewed and how many you've made offers to.
As with private groups, posts made within a secret group are only viewable by the members of that group. That means anyone on Facebook can see the posts you make within the group, and that includes “strangers” who aren't even on your friends list.