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.
AndrÃ©s Manuel LÃ³pez Obrador, also known as AMLO, is a Mexican left-wing politician. He held the position of Head of Government of the Federal District from 2000 to 2005, before resigning in July 2005 to contend the 2006 presidential election, representing the Coalition for the Good of All, a coalition led by the Party of the Democratic Revolution that includes the Convergence party and the Labor Party. Often described by critics as a populist, LÃ³pez Obrador was a candidate in the 2012 ...