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• which of talia’s steps is incorrect? step 1 is incorrect because it uses a point that is not on the line. step 2 is incorrect because it uses a point that is not on the line. step 3 is incorrect because it shows an incorrect ratio for the slope. step 4 is incorrect because it shows an incorrect substitution of (1, 3) into the point-slope form.
  
• rex is currently taking physics as one of his electives in school. his grade at the end of the year is determined by the average of four exams, each worth 100 points. on his first test he got an 84, on his second he got a 86, and on his third an 92. what must he score on his fourth exam to get an a (90%) in the course? a. 98 b. 90 c. 88 d. 86
  
• why did confucian officials want to stop voyages and foreign trade during the ming dynasty? choose two correct answers.
  
• henry david thoreau wrote his essay “civil disobedience” as he sat in jail for one night for not paying a poll tax. consider his actions and the thoughts he conveys. what is the central purpose of thoreau’s essay?
  
• which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above
  
• cholesterol is an important component of animal cell membranes. cholesterol molecules are often delivered to body cells by the blood, which transports the molecules in the form of cholesterol-protein complexes. the complexes must be moved into the body cells before the cholesterol molecules can be incorporated into the phospholipid bilayers of cell membranes. based on the information presented, which of the following is the most likely explanation for a buildup of cholesterol molecules in the blood of an animal? the animal’s body cells are defective in exocytosis. option a,the animal’s body cells are defective in exocytosis. the animal’s body cells are defective in endocytosis. option b,the animal’s body cells are defective in endocytosis. the animal’s body cells are defective in cholesterol synthesis. option c,the animal’s body cells are defective in cholesterol synthesis. the animal’s body cells are defective in phospholipid synthesis.
  
• what is log subscript 6 baseline e superscript f rewritten using the power property? e log subscript 6 baseline f f log subscript 6 baseline e log subscript 6 baseline (e times f) log subscript 6 baseline (e + f)
  
• in what direction do global winds and currents flow south of the equator? a. east to west c. toward the land b. west to east d. north to south
  
• during the scenic tour of the national park, the cascading waterfall was photographed repeatedly. which grammatical structure is used in this sentence?
  
• what are the reactants of photosynthesis? carbon dioxide and hydrogen hydrogen, oxygen, and water light energy, water, and carbon dioxide oxygen and glucose