DO THE MATH — In Disney•Pixar’s “Cars 3,” Kerry Washington lends her voice to Natalie Certain, a highly respected statistical analyst who knows her numbers. Book-smart and mathematically gifted, Certain is a fresh voice in the racing world. While she may earn top marks in her ability to evaluate a racer’s stats, she could be underestimating the importance of determination. “Cars 3” opens in U.S. theaters on June 16, 2017. ©2017 Disney•Pixar. All Rights Reserved.