Do Warlock spells granted by the Patron count against the number of spells known?

Can you create the Point of Origin for a Fireball within an area that you can’t see such as darkness or if you are blind?

Jump and Lesser Restoration are spells with range of touch, but require no attack roll and have no saving throw. So, if I cast them through my familiar on an enemy, do they just…happen?

In D&D, making multiple attacks with weapons, fists, claws, horns, and the like is usually done via the Extra Attack feature and the Multiattack action

Can any of these spells help me escape a Wall of Force?

Wall of Force vs Teleport spells.

Can any of these help me escape a wall of force?
1. Shadow Step
2. Misty Step
3. Teleport
5. Teleportation Circle
6. Dimension Door

Artificer: Is the Infused Items column the MAX infusions you can have active at one time?