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• the wing of a bat, the flipper of a whale, and the forelimb of a horse appear very different, yet detailed studies reveal the presence of the same basic bone pattern. these structures are examples of
  
• which sentence best explains how the tone reveals the narrator’s perspective? the narrator is frightened because she is a muslim making a catholic confession. the narrator is confused because she does not know what the lord’s prayer is. the narrator is terrified because she is ashamed of her previous thoughts. the narrator is annoyed because no one has taught her how to make a confession.
  
• nations usually __________ industries and activities in which they have a comparative advantage over other nations. a. negotiate treaties for b. specialize in c. avoid d. give the government control over
  
• on a coordinate plane, a curved line with minimum values of (negative 2, 0) and (1.05, negative 41), and a maximum value of (negative 0.5, 5), crosses the x-axis at (negative 2, 0), (0, 0), and (1.5, 0), and crosses the y-axis at (0, 0). which statement is true about the end behavior of the graphed function? as the x-values go to positive infinity, the function’s values go to positive infinity. as the x-values go to zero, the function’s values go to positive infinity. as the x-values go to negative infinity, the function’s values are equal to zero. as the x-values go to negative infinity, the function’s values go to negative infinity.
  
• geologists use tools other than the law of superposition to help them with relative dating. which statements describe those tools? check all that apply.
  
• which angles are linear pairs? check all that apply. ∠srt and ∠trv ∠srt and ∠tru ∠vrw and ∠wrs ∠vru and ∠urs ∠urw and ∠wrs
  
• which functions have an axis of symmetry of x = –2? check all that apply. f(x) = x2 + 4x + 3 f(x) = x2 – 4x – 5 f(x) = x2 + 6x + 2 f(x) = –2x2 – 8x + 1 f(x) = –2x2 + 8x – 2
  
• polani was giving ahmed directions to her house. she told him to turn right at the gas station, and then go straight for three lights. he was then supposed to turn left at the fast-food restaurant. what is polani using to help ahmed recall the directions to her house?
  
• on a coordinate plane, solid circles appear at the following points: (negative 4, 2), (negative 2, 2), (negative 1, 4), (1, 1), (1, 3), (2, negative 3). which ordered pair could be removed from the graph to create a set of ordered pairs that represents a function? (–4, 2) (–1, 4) (1, 3) (2, –3)
  
• which of the following is a new wave film? a. andy warhol's empire b. jean-luc godard's breathless c. david o. selznick's gone with the wind