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• armando used algebra tiles to represent the product 3 x (2 x minus 1). an algebra tile configuration. 3 tiles are in the factor 1 spot and are labeled + x. 3 tiles are in the factor 2 spot: 2 are labeled + x and 1 is labeled negative. 15 tiles are in the product spot: 2 are labeled + x squared, 4 are labeled + x, 1 is labeled negative x, and 4 are labeled negative. which is true regarding armando’s use of algebra tiles? he used the algebra tiles correctly. he did not represent the two original factors correctly. the signs on some of the products are incorrect. some of the products do not show the correct powers of x.
  
• according to , a manager who works with employees to develop performance expectations that are specific, measurable, attainable, relevant, and time bound will see performance improve.
  
• the function f(x) = –x2 − 2x + 15 is shown on the graph. what are the domain and range of the function? the domain is all real numbers. the range is {y|y < 16}. the domain is all real numbers. the range is {y|y ≤ 16}. the domain is {x|–5 < x < 3}. the range is {y|y < 16}. the domain is {x|–5 ≤ x ≤ 3}. the range is {y|y ≤ 16}.
  
• airplanes reach cruising altitudes at the lower part of the earth's stratosphere. this portion of the atmosphere is made up mostly of and
  
• jim crow laws were designed to prevent african americans from gaining equality. support the plessy v. ferguson decision. uphold the fourteenth amendment. help africans americans gain equality
  
• in which situation would government regulation most likely be necessary? a factory requires employees to work in unsafe conditions. a restaurant requires employees to work overtime on weekends. a computer company requires employees to work long hours. a power plant requires employees to take safety training classes.
  
• how did the supreme court rule in the scott v. sandford case? it ruled 7-2 in favor of sandford. it threw the case out of court. it ruled 7-2 in favor of scott. it ruled unanimously for sandford.
  
• if a third plane could be drawn which contains both lines a and b, then lines a and b must be parallel. lines a and b cannot be parallel. lines a and b must be skew. lines a and b must be perpendicular.
  
• a(n) _____ is something a person wants to get out of a job or that brings them job satisfaction.
  
• which of the following principles of psychology or codes of conduct did karen demonstrate?