When it comes to teaching mathematical concepts, abstract formulas may be more effective than the familiar examples of speeding trains and tossed coins favored by algebra instructors, according to a ...
“Abstract: Acrylics and Monoprints by Vivian Fishbone” is the current exhibition at the Jack Savitt Gallery in Macungie. In the abstract expressionist tradition, the artist uses color and texture to ...
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?
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