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• for a science project, janet performs four experiments that are supposed to show a chemical reaction. she displays her results in a table.
  
• the chart below shows the distribution of weeds in a yard. a lawn-care specialist chooses a random sample from the yard and determines the number of weeds in the sample. the results of the sample are shown in the table below. weed type number dandelion 2 clover 3 crab grass 2 chickweed 2 which explains whether or not this is a representative sample? yes, this is a representative sample because each type of weed is represented in the sample. yes, this is a representative sample because each type of weed is represented approximately the same number of times in the sample. no, this is not a representative sample because each type of weed should be represented in proportion to the number of weeds actually present in the yard. no, this is not a representative sample because each type of weed should be represented exactly the same number of times in the sample.
  
• what is the best description of the role of women in athens? women were allowed to own property, but they could not vote. women were considered full citizens even though they could not vote. women were confined to taking care of the home and their children. women were lumped in with enslaved persons and free men in their roles.
  
• which issue did henry clay and daniel webster use to try to defeat andrew jackson in the 1832 presidential election?
  
• airplanes reach cruising altitudes at the lower part of the earth's stratosphere. this portion of the atmosphere is made up mostly of
  
• which sentence is written correctly? ms. andrade showed us a documentary in class today because the film “focuses on a similar subject” to a book we are going to read. ms. andrade showed us a documentary in class today because the film, “focuses on a similar subject,” to a book we are going to read. ms. andrade showed us a documentary in class today because the film “focuses on a similar subject” to a book we are going to read. ms. andrade showed us a documentary in class today because the film, “focuses on a similar subject” to a book we are going to read.
  
• which procedures were followed in this lab to decrease experimental error? check all that apply. repeating the experiment three times for each temperature changing the volume of solution during each step using three different temperatures instead of only two using different types of antacids with different chemical formulas using three different surface areas instead of only two
  
• what can be learned about the ancient greeks from this excerpt? choose two answers. they established the first democratic government. they contributed to art, science, and philosophy. they valued perseverance, bravery, and strength. they believed the gods were active in people’s lives. they emphasized the importance of physical fitness.
  
• an arc on a circle measures 85°. the measure of the central angle, in radians, is within which range? 0 to radians to π radians π to radians to π radians
  
• the pre-image is a transformation in which the figure flipped over a line. a transformation in which every point moves the same distance in the same direction. the figure after a transformation has been performed. the original figure before a transformation has been performed.