More than half of LPS teachers add to their salaries with extra duties such as teaching summer school, sponsoring after-school clubs, coaching or putting on plays. While nearly 12 percent of teachers make $10,000 or more in extra pay, the rest make much less.
The first demonstrations of television in the US were in 1928 by Philo Farnsworth. It was more than a decade before televisions were made and sold commercially. In 1939, RCA b â¦ egan producing a commercially viable product and this represented the first widely available television.
The family debuted as shorts on The Tracey Ullman Show on April 19, 1987. After a three-season run, the sketch was developed into a half-hour prime time show called The Simpsons, which debuted on December 17, 1989. The show was an early hit for Fox, becoming the first Fox series to land in the top 30 ratings in a season (1990).