You all know the score. A train leaves one city travelling at 35 miles per hour and another races toward it at 25 miles an hour from a city 60 miles away. How long do they take to meet in the middle?

Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ratio ...

Jody Nolf is an associate language and literacy specialist at Vista Higher Learning. For more than 20 years, she taught English and reading to middle and high school students. Six years ago, she ...