Can a Magic Initiate “Wizard” use Wizard spells scrolls and copy them in a spellbook?

Dragonborn Sorcerer with Draconic Bloodline has two Draconic Ancestry traits. Can both be used for Elemental Affinity?

When you summon a Elemental do you need to speak its language to command it?

Warlocks of the Old One vs Awakened Mind

Can a rogue w/ Cunning Action take both the Attack and Disengage actions in his turn?

Is there somewhere in the DM handbook that talks about passive skills and how to use them?

If there’s no chance of success, don’t make an ability check, since rolling a 20 isn’t an automatic success for a check