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• mr. ortez told each student in his class to pick a folded piece of graph paper from a bowl. he instructed them to study the graph on the paper and describe it to the class if they have a graph showing equivalent ratios. four students gave a description, but only one was correct. which description was correct?
  
• triangle a b c is shown. angle c a b is a right angle. angle a b c is 30 degrees and angle b c a is 60 degrees. the length of a c is 9 and the length of hypotenuse c b is 18. which trigonometric ratios are correct for triangle abc? select three options. sin(c) = startfraction startroot 3 endroot over 2 endfraction cos(b) = startfraction startroot 2 endroot over 3 endfraction tan(c) = startroot 3 endroot sin(b) = one-half tan(b) = startfraction 2 startroot 3 endroot over 3 endfraction
  
• what happens when a plate carrying oceanic crust collides with a plate carrying continental crust
  
• what is the domain of the function f (x) = startfraction x + 1 over x squared minus 6 x + 8 endfraction? all real numbers all real numbers except –1 all real numbers except –4 and –2 all real numbers except 2 and 4
  
• which increases the rate of soil formation? mixed layers more precipitation cooler temperatures very hard parent material
  
• after reading equation of the line from the graphing utility, heather wrote in her notebook that the line of best fit is represented by the equation y = 0.77x + 1.34. heather likely an error when writing the equation of the line in her notebook because the slope and the y-intercept of the equation she recorded.
  
• which event immediately followed the storming of the bastille? peasants began attacking the aristocracy. louis xvi stepped down. the estates-general was dissolved. government troops attacked the national assembly.
  
• select the correct answer. an iron bar at 200°c is placed in thermal contact with an identical iron bar at 120°c in an isolated system. after 30 minutes, both iron bars are at 160°c. if the iron bars were placed in thermal contact in an open system instead of an isolated system, how would the results be different? assume that the room temperature is 25°c. a. the temperatures of the iron bars after 30 minutes would be less than 160°c because heat would be lost to the surroundings. b. it would take more than 30 minutes for both iron bars to reach 160°c because heat would be transferred less efficiently. c. the temperatures of both iron bars would increase as they absorb heat from the surroundings. d. the temperatures of both iron bars would decrease because pieces of them would be lost to the surroundings.
  
• enzo sits with a small group of friends at lunch. lately, he has been very quiet and stays home a lot even though his friends invite him to go places. he likes to play video games in his free time and is slightly overweight. which behavior is a sign that enzo may need professional mental health treatment? being overweight playing video games withdrawing from activities having a small group of friends
  
• a legal order for an investigation into whether a person who is arrested has been imprisoned legally defines