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• select the correct answer. simplify the expression so there is only one positive power for the base, -5. a. b. c. d.
  
• which shows a graph of a linear equation in standard form ax + by = c, where a = 0, b is positive, and c is negative? a coordinate plane with a vertical line passing through (1, negative 4), (1, 0) and (1, 4). a coordinate plane with a vertical line passing through (negative 2, negative 4), (negative 2, 0) and (negative 2, 4). a coordinate plane with a horizontal line passing through (negative 4, 4), (0, 4) and (negative 4, 4). a coordinate plane with a horizontal line passing through (negative 4, negative 3), (0, negative 3) and (4, negative 3).
  
• what is the difference between a totalitarian communist government and a totalitarian fascist government
  
• in a local city, the temperature at noon is negative 3 degrees celsius. the temperature is expected to decrease by 2.5 degrees celsius each hour until the temperature reaches negative 18 degrees celsius. how many hours will it take for the temperature to reach negative 18 degrees celsius? 6 hours 7 hours 7.2 hours 8.4 hours
  
• which is most likely the effect to the forward reaction if there is an increase in pressure of the system? the reactant surface area increases. the reaction rate decreases. the reaction is not affected at all. the reaction stops completely.
  
• which essay research questions are effective? select two options. what is the best genre of music? which restaurant makes the best burgers? what marketing strategies do companies use? how is strength training more effective than cardio exercise? why is school start time important for ensuring student achievement?
  
• which descriptions are true regarding different muscle types? select four options. cardiac and skeletal muscles are striated. skeletal and smooth muscles are nonstriated. smooth and cardiac muscles are voluntary. heart and digestive muscles are involuntary muscles. smooth and skeletal muscles are involved in movement. cardiac muscles work to pump blood.
  
• according to this passage, which symptoms may be warning signs of skin cancer? check all that apply.
  
• which is a negative effect of using human growth hormone as a performance-enhancing drug? liver tumors dehydration enlarged heart high blood pressure
  
• a farmer has some problems with the quality of his soil. the soil seems to have lost some of the nutrients that help crops grow. now the farmer is unable to grow crops on his field. what should the farmer do to ensure that the nutrients in the soil are replenished? a. let the land lie fallow for a season. b. exchange the old soil with new soil. c. grow more winter crops on the field. d. grow more summer crops on the field.