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• according to the law of demand, price and quantity move along a track in the same direction. along a track in opposite directions. from different points toward one another. from the same point away from one another.
  
• the power 9 squared is equivalent to 81. what is the value of 9 superscript negative 2?
  
• what is the area of triangle abc? 2.5 square units 3 square units 3.5 square units 4 square units
  
• a ________ is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structures.
  
• what would most likely happen to a person who is not getting enough essential amino acids in his or her diet?the body would synthesize the amino acids.muscle growth and repair would be limited.stored protein would break down.the formation of proteins would increase.
  
• given the related graph for each equation, determine the graph that represents a quadratic equation that has one real solution.
  
• freshwater can be renewed, but environmentalists consider it nonrenewable. why is there a contradiction in classification?
  
• which expression has a value of 16 when n = 5? startfraction 25 over n endfraction + 7 30 minus 3 n 7 + startfraction 45 over n endfraction n cubed minus 114
  
• how is the clean air act of 1970 related to a principle established by the supreme court in the 1800s?
  
• yellowstone national park has an average of about 4500 bison living in it. the park covers 3472 square miles. what is the population density of bison living in yellowstone?