Why “Math Beneath the Streets” is the Real-World AP Precalculus Project Your Students Deserve?Across the United States, the construction industry faces a recurring challenge: aging infrastructure must be relocated or redesigned to make room for new developments. One of the most complex tasks? Rerouting underground sewer lines while maintaining safe flow, regulatory compliance, and structural stability. It’s a real-world engineering puzzle that requires more than hard hats and bulldozers—it deman