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• most fertilizers contain ammonia (nh3). ammonia forms when hydrogen reacts with nitrogen. which equation correctly represents the chemical reaction that forms ammonia? a. 3h2 + n2 → nh3 b. h2 + n2 → 2nh3 c. h2 + n2 → nh3 d. 3h2 + n2 → 2nh3
  
• is an altitude in triangle abc. which statements are true? select two options. δabc δbxc δaxc ~ δcxb δbcx δacx δacb ~ δaxc δcxa δcba
  
• the equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the united states from birth to 17 years, given the household's annual income, x. approximately how much would it cost to raise a child in a household with an annual income of $84,400?
  
• mrs. garcia’s students were asked to find 220% of 75. each of the students had a different method. amy: “i multiplied 2.20 by 75 to find my answer.” braden: “i created a table with columns for 100%, 100%, 20%, and 220%. then i filled in the table and added the values.” colton: “i created a table with columns for 100%, 10%, 10%, and 220%. then i filled in the table and added the values.” danielle: “i divided 75 by 5 to find 20%. then i added 75 twice to what i found to get my final answer.” if all of the students completed their steps accurately, which student got the answer wrong? amy braden colton danielle
  
• what is the following sum in simplest form? startroot 8 endroot + 3 startroot 2 endroot + startroot 32 endroot
  
• fill in the blank questions are considered___________questions. a. response c. best answer b. matching d. none of these
  
• a solid right pyramid has a regular hexagonal base with an area of 5.2 cm2 and a height of h cm. a solid right pyramid has a regular hexagonal base with an area of 5.2 centimeters squared and a height of h centimeters. which expression represents the volume of the pyramid?
  
• lava that cools quickly forms ____ rocks. a. extrusive metamorphic c. intrusive metamorphic b. extrusive igneous d. intrusive igneous
  
• read the excerpt from act 1 of the monsters are due on maple street. 41. different angle – the group 41. as they suddenly start toward the house. in this brief fraction of a moment they take the first step toward performing a metamorphosis that changes people from a group into a mob. they begin to head purposefully across the street toward the house at the end. which element of drama is highlighted in this stage direction? audience setting character plot
  
• on a coordinate plane, kite h i j k with diagonals is shown. point h is at (negative 3, 1), point i is at (negative 3, 4), point j is at (0, 4), and point k is at (2, negative 1). which statement proves that quadrilateral hijk is a kite? hi ⊥ ij, and m∠h = m∠j. ih = ij = 3 and jk = hk = startroot 29 endroot, and ih ≠ jk and ij ≠ hk. ik intersects hj at the midpoint of hj at (−1.5, 2.5). the slope of hk = negative two-fifths and the slope of jk = negative five-halves.