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• in 1954, the supreme court case brown v. board of education overturned plessy v. ferguson by ruling segregation unconstitutional. stated that african american and white schools needed to be equal. upheld the separate car act by ruling that segregation was legal. upheld plessy v. ferguson by ruling segregation constitutional.
  
• two of the most important effects of the american victory in the war with mexico were
  
• use the inverse variation equation to fill in the table. p = 8.31 v volume (liters) pressure (kilopascals) 83.1 a b 0.4 415.5 c a = , b = , c =
  
• solve x2 + 12x = –11 by completing the square. which is the solution set of the equation? {–11, –1} {–11, 1} {11, –1} {11, 1}
  
• this epithelial tissue has many cell layers. it forms the outer layer of the skin.
  
• at which angle will the hexagon rotate so that it maps onto itself? 60° 90° 120° 180°
  
• workplace diversity describes differences among workers in any of the following areas:
  
• dr. michelle wang at cornell university studies dna replication and protein synthesis. her group researches how a protein called helicase unzips the dna strand. after dna is unzipped, what is the next step in dna replication? a. messenger rna forms along the exposed dna bases. b. a chromosome with two identical strands of dna is formed. c. nitrogen bases pair up with the dna strands. d. ribosomes attach to dna and move along the strand.
  
• which statement best expresses prince henry's conflicting motivations about his father?
  
• a sphere has a diameter of 8 cm. which statements about the sphere are true? check all that apply. the sphere has a radius of 4 cm. the sphere has a radius of 16 cm. the diameter’s length is twice the length of the radius. the radius’s length is twice the length of the diameter. the volume of the sphere is startfraction 2,048 over 3 endfraction pi centimeters cubed. the volume of the sphere is startfraction 256 over 3 endfraction pi centimeters cubed.