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• students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
  
• select the correct answer from each drop-down menu. at chemical equilibrium, the amount of because .
  
• mrs. jackson gives the table below to her students. in order for the function to be linear, what must a be and why? a = 22 because the rate of change is 1. a = 20 because the rate of change is 3. a = 22 because the rate of change is –1. a = 20 because the rate of change is –3.
  
• in the product 6o2, what does the coefficient mean? there are 12 molecules of o2, there are 8 molecules of o2, there are 6 molecules of o2. there are 2 molecules of o2.
  
• which body manages the fed? the appropriations committee the federal reserve board the federal open markets committee the economic policy subcommittee
  
• to make banana bread, colin uses 3 4 of a cup of brown sugar for every 2 cups of flour. how much brown sugar should colin use to make a small batch with only 1 cup of flour? simplify your answer and write it as a proper fraction, mixed number, or whole number. cups of brown sugar
  
• which ordered pair makes both inequalities true?y < 3x – 1y > –x + 4on a coordinate plane, 2 straight lines are shown. the first dashed line has a positive slope and goes through (0, negative 1) and (1, 2). everything to the right of the line is shaded. the second solid line has a negative slope and goes through (0, 4) and (4, 0). everything above the line is shaded. (4,0)(1,2)(0,4)(2,1)
  
• how does the evidence support the central idea that gandhi decided it was time to replace violence with nonviolent protest? the evidence notes that gandhi encouraged indentured indians to get rid of their weapons. the evidence reveals gandhi’s belief that workers should peacefully accept how they are treated. the evidence shows how gandhi experimented with ways to assert one’s dignity and be free. the evidence indicates that bosses bullied workers, which gandhi knew led to violence.
  
• a meteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 1.8, 2.5, 2.6, 4.4, 4.4, 7.3, 8.0, 9.5, 10.3, 10.4, 11.1, 11.7 for this data set: mu = 7, n = 12. sigma squared = startfraction (x 1 minus mu) squared + (x 2 minus mu) squared + ellipsis + (x n minus mu) squared over n endfraction. sigma squared = startfraction (1.8 minus 7) squared + (2.5 minus 7) squared + ellipsis + (11.7 minus 7) squared over 12 endfraction fill in the missing values in the formula. what is the variance? 0 3.217 3.522 12.405 148.86
  
• what is the approximate length of arc s on the circle below? use 3.14 for . round your answer to the nearest tenth. 5.8 ft 6.3 ft 27.5 ft 69.1 ft