drywall - What do I need to do and repair where these 3M strips pulled off - Home Improvement Stack Exchange

I live in a mature apartment complex, by mature I mean the complex was built in the late '60 early '70s. Only God knows how many actual coats of paint are on the wall(s). This 3M shelf fell one night

walls - What might be a good way to fix this damaged drywall

Scotch Wall-Safe Tape, 3/4 in. x 650 in.

Hanging Shelves « Home Improvement Stack Exchange Blog

3M CLAW 45 lbs. Drywall Picture Hanger with Spot Marker 3PH45M-1ES

Building Construction for the Fire Service

3M High Strength Hole Repair 8 fl. oz. Color Changing Spackling

walls - Not sure how to fix this drywall with paper showing - Home

Duck Brand Self-Adhesive Drywall Repair Fabric, 6-Inch by 25 Feet

3M Command Mini Foam Adhesive Strips 1.177 in. L 12 pk - Ace Hardware

drywall - In order to repair these do I need to use primer and

Bondo 28-oz Color-changing, Heavy Duty Interior/Exterior Clear