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• triangle n t m is shown. angle n t m is a right angle. an altitude is drawn from point t to point u on side n m to form a right angle. the length of n t is y, the length of t m is 6, the length of n u is 9, and the length of u m is 3. what is the value of y? 3 startroot 3 endroot units 6 startroot 3 endroot units 9 startroot 3 endroot units 12 startroot 3 endroot units
  
• at the coast on a summer day, the land is hotter than the ocean. warm air over the land rises and is replaced by cooler air, causing a sea breeze. at night, the land cools quickly and the ocean is now warmer than the land. what will happen next?
  
• given: ch4 + 2o2 → co2 + 2h2o, δh = -890 kj/mol how much energy is released when 59.7 grams of methane (ch4) reacts with oxygen? the combustion of 59.7 grams of methane releases kilojoules of energy.
  
• on a coordinate plane, 2 lines are shown. line m n goes through (negative 4, 8) and (negative 4, negative 6). line k l goes through (negative 8, 2) and (6, 2). how are lines kl and mn related? the lines intersect at point k. the lines are parallel. the lines are perpendicular. the lines do not have slopes.
  
• would separated populations of squirrels be able to interbreed if the barrier was no longer there? defend your answer.
  
• the concept of energy can be calculated in multiple ways. which units are used for energy? check all that apply. joules kilogram meters2/seconds2 newtons kilojoules meters/seconds2
  
• how did the progressive movement change the relationship between government officials
  
• which sentence contains a pronoun shift? morgan gave his new business card to antonio and me. if one eats sensibly, he or she can expect to feel better. if runners want to win, she should practice frequently. when employees park in the garage, they must pay, too.
  
• a pendentive is ____________________ a. a set of projecting moldings that crown the top edge of a temple or building. b. a curved triangular architectural element that transfers the weight from the dome to the supporting curve. c. the part of an arch that projects slightly from the wall and where the arch springs from. d. the wedge shaped stone used in round arches.
  
• what is the name for the sculpture above? a. carved lintel b. carved lentil c. bronzed lintel d. carved mantel