4

I’m not sure what you want with just “4.” Do you want four practice questions, or do you have a specific problem whose answer is 4 and you want help solving it? Tell me: - the subject (e.g., calculus, algebra, probability, CS, physics) - the level (intro, intermediate, undergraduate) - whether you want four practice questions, or help with a particular problem (paste the full statement) - any constraints (no calculators, show steps, etc.) If you want, I can generate four practice problems on a topic of your choice right now, with full solutions. What topic should I pick?