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• tiffany is solving an equation where both sides are quadratic expressions. she sets each quadratic equation equal to y and graphs the resulting system. if the graph of one quadratic opens upward and the other opens downward, what is the greatest possible number of intersections for these graphs?
  
• this diagram shows a cutaway view of a mitochondrion. mc020-1.jpg which process takes place in the mitochondrion? photosynthesis anaerobic respiration atp production synthesis of glucose
  
• read the excerpt from enrique’s journey. the river, the río suchiate, forms the border. behind him is guatemala. ahead is mexico, with its southernmost state of chiapas. ""ahora nos enfrentamos a ia bestia,” migrants say when they enter chiapas. ""now we face the beast."" painfully, enrique, seventeen years old, has learned a lot about ""the beast."" in chiapas, bandits will be out to rob him, police will try to shake him down, and street gangs might kill him. but he will take those risks, because he needs to find his mother. what purposes does the author’s use of setting support? select two options. to indicate that enrique is not afraid to face danger to describe the difficulties that enrique will encounter in chiapas to show readers that enrique has followed this route before to tell readers that enrique is determined to find his mother to explain how easy it will be for enrique to reach his destination
  
• line segment lm is dilated to create l'm' using point q as the center of dilation and a scale factor of 2. what is the length of segment qm'?
  
• what similarities and differences are there between a computer like watson and the human nervous system?
  
• as the distance of a sound wave from its source quadruples, how is the intensity changed? it increases by a factor of 4 it increases by a factor of 16 it decreases by a factor of 4 it decreases by a factor of 16
  
• sarabeth is selling bracelets as a fundraiser for the school library. each bracelet with blue beads sells for $4.50. each bracelet with red beads sells for $5. she raised a total of $130 for the library.the number of bracelets with red beads (r) that sarabeth sold is 3 less than twice the number of bracelets with blue beads (b) sold. if the table is used to guess and check, what equation should go in the top of the third column?
  
• which of the following is not a possible effect of rising carbon dioxide levels on plants? a. increased photosynthesis b. increased plant mortality c. increased crop productivity d. increased plant growth please select the best answer from the choices provided a b c d
  
• which of the following statements about the societal costs of tobacco use is true?a.tobacco use affects the tax rate of only those individuals who smoke.b.the negative effects of tobacco use are only experienced by the smoker.c.tobacco users contribute to an overall loss of productivity.d.increased healthcare costs are mainly absorbed by tobacco users. please select the best answer from the choices provided.abcd
  
• a medical assistant receives a phone call from a parent of a child who has possibly ingested a household cleaner. which of the following actions should the assistant take?