Cramer's Rule to Solve Systems of Equations This is a tutorial on proving Cramer's rule of solving 2 by 2 systems of linear equations. Rules for 3 by 3 systems of equations are also presented. To check answers when solving 2 by 2 and 3 by 3 systems of equations, you may want to use these online Systems of Equations Calculator and Solver..
From Wikipedia, the free encyclopedia. Rodney James Alcala (born Rodrigo Jacques Alcala Buquor; August 23, 1943) is a convicted rapist and serial killer. He was sentenced to death in California in 2010 for five murders committed in that state between 1977 and 1979. In 2013 he received an additional sentence of 25 years to life after pleading guilty to two homicides committed in New York in 1971 and 1977.
Luis Acosta/AFP/Getty; Jon Clark/Rancho Santa Fe Review. Former Vice President Al Gore and his wife, Tipper, who separated in 2010 but still have not filed for divorce, have both found love again. âTheyâre each dating,â a friend of the former couple tells PEOPLE. Al, 64, has paired up with Democratic and environmental activist Elizabeth Keadle, 53.