3. when you make changes in your home directory (such as adding, deleting, or editing files) while logged into it20 or someone else's vm, why do those changes persist in your home directory, as it exists on your own vm

Convert and simplify the following sentences to conjunctive normal form (cnf): (a) (p → (q → r)) → (p → (r → q)) (b) (p ∧ q) → (¬p ↔ q) (c) ((p → q) ∧ ¬q) → ¬p

If you arrive at the same time as another user straight across from you yield if a. they flash your headlights at you b. you can’t see their turn signals c. you’re going street and they’re running d. you’re turning they’re going straight plz

In which part of a professional email should you try to be brief, but highly descriptive?