In many word problems there are signal words that tell us what operation we need to perform.  We are familiar with terms like "in all" or "together" which usually mean we will add or multiply to get the answer.  Words like "more than", "less than,"...

This refers to the military dictatorship of Augusto Pinochet in Chile.  The Pinochet regime, backed by the CIA, took power after the democratically elected government of Salvador Allende was overthrown.  "los desaparecidos" refers to people that disappeared during the Pinochet...

English King John signed Magna Carta in 1215, limiting the King's power. It was a document of basic rights.  The king didn't want to sign it; it was pretty much forced on him by barons in his kingdom who were tired of the king's tyranny.  The author is unknown.  Some give credit to...

Direct Materials, Direct Labour, Transportation, and Commission costs are variable, as they all depend on how many chairs are produced.  I assume all other costs are annual.  You can't determine a set amount for variable costs, since (by definition) they are variable.  You could say...

Aunque es muy tarde, quiero avanzar la idea que la pregunta original está escrito mal.  (DYAC!!!!!)  Qué tal si la pregunta era:   Escribir una expresion del valor absoluto de la siguiente expresión: (a + b) ^ 2 = u = a ^ 2  + 2 ab + b ^ 2  ...

Lakiesha, here are 3 answers.     The first answer, assuming that there is no more information in this problem, is that there are an infinite number of solutions.  Let's say x = 1:  6(1) +y = -5, so y = -11.  But if you say that x = 2, then 6(2) + y = -11,...

Well, she has 7 days for the trip, but according to the description, she spends 3 days there, which leaves 4 days total for travel.  That's 2 days to get there, and 2 days to return.  Each way is 925 miles.  So you divide the miles (925) by the number of days she has to drive (2)...

The X-intercept is where the line you draw crosses the X-axis (the horizontal line).  The Y-intercept is where the line you draw crosses the Y-axis (the vertical line).  Remember, the center point of the grid is "0".  On the X axis, numbers to the right of the zero are positive,...

In the sentence mentioned, "Which" is an adjective, modifying the noun "hat."    In this sentence:  "I bought a hat, which was a bargain"  or this one:  "The hat was of Scandivavian design, of which I was ignorant,"   ...