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• in the complex plane, the rectangular coordinates (x, y) represent a complex number. which statement explains why polar coordinates (r, θ) represent the same complex number? r is equivalent to startroot x squared + y squared endroot and θ is equivalent to inverse tangent of (startfraction x over y endfraction). r is equivalent to startroot x squared + y squared endroot and θ is equivalent to inverse tangent of (startfraction x over y endfraction). r is equivalent to startroot x squared + y squared endroot and θ is equivalent to inverse tangent of (startfraction x over y endfraction). r is equivalent to startroot x squared + y squared endroot and θ is equivalent to inverse tangent of (startfraction x over y endfraction).
  
• solid gold is denser than liquid gold. do you think the atoms in liquid gold are as closely spaced as are the atoms in solid gold? explain your answer.
  
• list one lifetime activity in which you are interested in participating. describe at least one factor that may influence your ability to participate in that activity.
  
• decide whether the sentence is grammatically correct or incorrect as written. marcos cocina mejor que isabel. correct incorrect
  
• which type of appeal is used in this part of the speech? an emotional appeal an ethical appeal an expert appeal a logical appeal
  
• type the correct answer in each box. spell all words correctly. two triangles are graphed in an x y plane. the vertices are as follows: first: a (negative 6, 2), b (negative 2, 6), and c (negative 4, 2); second: a prime (negative 6, negative 2), b (negative 2, negative 6), and c (negative 4, negative 2). a sequence of transformations maps ∆abc onto ∆a″b″c″. the type of transformation that maps ∆abc onto ∆a′b′c′ is a . when ∆a′b′c′ is reflected across the line x = -2 to form ∆a″b″c″, vertex of ∆a″b″c″ will have the same coordinates as b′.
  
• a similarity between ellis island and angel island was that both immigration stations served immigrants of mostly european descent. served immigrants of mostly asian descent. detained immigrants for weeks or months. required immigrants to undergo questioning.
  
• the volume of an oblique pyramid with a square base is v units3 and the height is h units.
  
• what role did u.s. security forces play in vietnam during the kennedy administration?
  
• which labor union–the knights of labor (kol), the american federation of labor (afl), or both–had the following characteristics? admitted only skilled workers