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• the height of a cone is twice the radius of its base. a cone has a height of 2 x and a radius of x. what expression represents the volume of the cone, in cubic units?
  
• emma pays $2,600 for a washer/dryer combo. each year, the appliance loses 15% of its resale value. how much will it be worth in 4 years?
  
• read the excerpt from silent spring. there was once a town in the heart of america where all life seemed to live in harmony with its surroundings. the town lay in the midst of a checkerboard of prosperous farms, with fields of grain and hillsides of orchards where, in spring, white clouds of bloom drifted above the green fields. in autumn, oak and maple and birch set up a blaze of color that flamed and flickered across a backdrop of pines. which phrases in the excerpt best support the author’s purpose of creating a positive image of a town? select five options. heart of america live in harmony with its surroundings lay in the midst hillsides of orchards in autumn blaze of color prosperous farms
  
• just two years ago, the editor of a major publishing firm asked me to submit a story for a middle school reader. those readers have the power to shape how thousands of children think about mexican americans. the criteria were: “it can’t have religion in it; it can’t be mystical; it can’t have spanish in it.” everything that was in bless me, ultima was rejected out of hand before the publisher would look at a manuscript. needless to say, i did not submit a story. —“take the tortillas out of your poetry,” rudolfo anaya the voice of this anecdote helps establish the idea that anaya is pleased to influence middle school students by teaching them about mexican americans. disappointed because a publishing company will not accept what anaya believes is a good mexican american story. annoyed that the publishers rejected his story without bothering to read it.
  
• you are given the reaction cu + hno3 right arrow. cu(no3)2 + no + h2o. which element is oxidized? which element is reduced?
  
• calculate the final displacement from 0 if an object first moves 3 cm to the left and then 5 cm to the right.
  
• what was one purpose of the great society programs begun under president johnson?
  
• how does the excerpt exemplify gothic fiction? by describing a scene of blood and gore by reminding the reader of the presence of evil by depicting the triumph of reason over the irrational by introducing a cast of odd characters
  
• salicylic acid (c7h6o3) reacts with acetic anhydride (c4h6o3) to form acetylsalicylic acid (c9h8o4). 2c7h6o3(aq) + c4h6o3(aq) 2c9h8o4(aq) + h2o(l) what is the limiting reactant if 70.0 g of c7h6o3 and 80.0 g of c4h6o3 react? water salicylic acid acetic anhydride acetylsalicylic acid
  
• the vertices of δabc are a(1,–2), b(1,1), and c(5,–2). which could be the side lengths of a triangle that is similar but not congruent to δabc? 3, 4, and 5 units 9, 12, and 15 units 6, 4, and 5 units 9, 12, and 5 units