Goal:
To finish off the top of the mac and cheese prior to baking
Answer:
add bread crumbs to give it a crisp top and add flavor

Goal:
To connect wire together, you can
Answer:
Solder the ends together

Goal:
To attach the shelves to the back of the cabinet
Answer:
Make sure the shelves have a place to rest on and use a nail gun to attach everything

Goal:
Create painting drop cloth that doesn't tear easily.
Answer:
Use old bed sheet to protect floor from paint.