555

Not sure what you need with “555.” Want a quick study boost? Here are a few options. Tell me which you’d like (or pick a topic and I’ll tailor it):

• 5 quick practice problems (with solutions) on a topic you choose
• 5-minute summary notes for a topic
• 5 flashcards for quick recall
• A short math note: fun quick facts about 555 (e.g., Roman numeral DLV, binary 1000101011, 555 = 5 × 111 = 3 × 5 × 37)

Which subject/topic should I use, and which option would you prefer?