What lever has resistance between the axis (fulcrum) and the force (effort)?

One subtask in the game is to roll the dice. explain why is roll the dice an abstraction.

Why would a business likely use a java applet - to back up their data files for the business - to create a program that a customer can launch in their web browser - to create music on a powerpoint presentation - to organize files on their company directory

Need fast im timed in a paragraph of 125 words, explain at least three ways that engineers explore possible solutions in their projects.