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BARSTOW — As the lunch bell began to ring, Barstow High School math teacher Dr. Peter Esperanza answered questions for his students before rushing out to meet a colleague for a quick half-hour ...
BARSTOW — As the lunch bell began to ring, Barstow High School math teacher Dr. Peter Esperanza answered questions for his students before rushing out to meet a colleague for a quick half-hour ...
Today Pearson announced the continued, free availability of Virtual Nerd's high quality math tutorials and the development of a new app that will put a professional math tutor in the palm of ...