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• the first three steps in determining the solution set of the system of equations algebraically are shown. y = x2 − x − 3 y = −3x + 5 what are the solutions of this system of equations? (−2, −1) and (4, 17) (−2, 11) and (4, −7) (2, −1) and (−4, 17) (2, 11) and (−4, −7)
  
• scientists have observed that the health of people living in moderately developed regions, which have developed transportation and industry but lack environmental control measures, is more likely to be affected by urban outdoor pollution than by indoor air pollution.
  
• which expression is equal to the polynomial below? 2x4 + 5x3 – 8x – 20 x3(2x + 5) + 4(2x – 5) x3(2x + 5) – 4(2x + 5) x3(2x – 5) – 4(2x – 5) x3(2x + 5) + 4(2x + 5)
  
• the ongoing, voluntary pursuit of knowledge is known as which of the following? responses active discovery active discovery lifelong learning lifelong learning constant acquisition constant acquisition curious mastery
  
• given the related graph for each equation, determine the graph that represents a quadratic equation that has one real solution.
  
• mr. torres has a small savings account. he would like to pay for his monthly part d premiums with an automatic monthly withdrawal from his savings account until it is exhausted, and then have his premiums withheld from his social security check. what should you tell him?
  
• what do doodle’s repeated pleas of “don’t leave me” foreshadow? once the narrator returns to school, he leaves doodle at home and forgets all of his plans to help him. after doodle refuses to touch the casket, the narrator refuses to help doodle and leaves him alone in the loft. later in the story, the narrator races ahead and leaves doodle to struggle behind during a terrible storm. when doodle struggles to learn to walk, the narrator leaves and doodle is left sitting alone in old woman swamp.
  
• which of these details related to the topic of the industrial revolution is objective? “money-grasping mill owners” “ragged, penniless workers” “brilliant, innovative thinkers” “six-day workweeks”
  
• olivia has $240 in her bank account. each month, her bank deducts a $12.50 fee for maintaining a balance below $250. if olivia makes no other deposits or withdrawals, how much money will be in her account at the end of five months?
  
• imagine that a historian has discovered a diary written in 1848 by another german revolutionary. which statement best explains how this discovery could be used? it could be used to determine if a revolution took place in 1848. it could be used to explain the events of the revolution in france. it could be used to corroborate schurz’s recollection of the revolution. it could be used to prove that schurz was not in germany during the revolution.