ST. JOSEPH COUNTY, Ind. -- An Indiana high school student has become the only person in the world to land a perfect score on an AP calculus exam. Denise White has taught different levels of calculus ...
Doing it once is considered to be a feat. Doing it twice is the start of a streak. Doing it a third time? That means it's becoming a habit. "This is our third time in a row and it's absolutely ...
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