Question:** A climate resilience consultant in LA is analyzing combinations of 3 green infrastructure types (green roofs, permeable pavements, and urban forests) and 5 coastal adaptation strategies (seawalls, elevated buildings, bioswales, flood gates, and managed retreat). How many combinations include exactly 2 green infrastructure types and at least 1 adaptation strategy?

Sat, 18 Apr 2026 22:44:24 +0000

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