[Q]: Objective: how do you pay something off?
[A]: pay it in full.

[Q]: Objective: After putting the jenga set together to secure them
[A]: Use a glue and glue each piece together making sure to be careful not to knock the tower off.

[Q]: Objective: How can I undo a spelling mistake I did with pencil by hand?
[A]: Take the eraser and rub the area you want to erase, while holding the paper with your hand.

[Q]: Objective: To preserve pieces of cheese you make for storage,
[A]:
wrap the pieces of cheese inside of wax.