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• a student uses a marble simulation to illustrate genetic drift. she starts with a population of 50 individuals, represented by 25 red marbles and 25 blue marbles. the red marbles represent an allele for pointed ears in mice, and blue marbles represent an allele for rounded ears. which statement below is true?
  
• label the cells and molecules involved in cell-mediated immunity drag the appropriate labels to their respective targets.
  
• consider a system to be one train car moving toward another train car at rest. when the train cars collide, the two cars stick together. what is the total momentum of the system after the collision? 800 kg • 1,600 kg • 2,400 kg • 4,000 kg •
  
• which type of evidence is schlosser using in this excerpt?anecdotalstatisticaltestimonialanalogical
  
• which attitude encouraged european countries to compete for colonies around the world?
  
• what is the following quotient? startfraction startroot 6 endroot + startroot 11 endroot over startroot 5 endroot + startroot 3 endroot endfraction startfraction startroot 30 endroot + 3 startroot 2 endroot + startroot 55 endroot + startroot 33 endroot over 8 endfraction startfraction startroot 30 endroot minus 3 startroot 2 endroot + startroot 55 endroot minus startroot 33 endroot over 2 endfraction seventeen-eighths negative five-halves
  
• professor root was studying the arrest rates for driving under the influence in urban and rural areas of ohio. it was found that the arrest rate was higher in the rural areas. professor root concluded that people who live in rural areas are more likely to drive while intoxicated than are people who live in urban areas. root's conclusion illustrates the:
  
• if f(x) = x3 – 2x2, which expression is equivalent to f(i)? –2 + i –2 – i 2 + i 2 – i
  
• the solutions to the inequality y > −3x + 2 are shaded on the graph. which point is a solution? (0, 2) (2, 0) (1, −2) (−2, 1)
  
• complete the statements about the associative property and equivalent expressions. the associative property allows us to change the grouping of the factors that are multiplied together to create . when changing the grouping, the order of the factors stays the same; only the change position. the expression is an equivalent expression to w(xy)z. the expression is also an equivalent expression to w(xy)z.