[Q]: Objective: To make homemade cake from boxed cake mix.
[A]: Use one more egg than the recipe calls for and replace the vegetable oil with butter.

[Q]: Objective: how do you surround someone?
[A]: gather around the person.

[Q]: Objective: Prevent icing from drying.
[A]: Place damp paper towel under glass cup and keep piping bag in cup when not using.

[Q]: Objective: To create cold air in a DIY air conditioner made from a fan enclosed in a Styrofoam box.
[A]:
Put a bottle of frozen water in the box with the fan.