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• what value for c will make the expression a perfect square trinomial? x2 – 7x + c negative startfraction 49 over 4 endfraction negative seven-halves seven-halves startfraction 49 over 4 endfraction
  
• as a result of the belief in manifest destiny in the mid-1800s, westward expansion increased dramatically. slowed significantly. neither increased nor decreased. first decreased, then increased.
  
• who became president after abraham lincoln was assassinated? andrew johnson john brown john wilkes booth jim crow
  
• for lunch you and your friends decide to stop at the nearest deli and have a sandwich made fresh for you with 0.100 kg of turkey. the slices of turkey are weighed on a plate of mass 0.400 kg placed atop a vertical spring of negligible mass and force constant of 200 n/m . the slices of turkey are dropped on the plate all at the same time from a height of 0.250 m . they make a totally inelastic collision with the plate and set the scale into vertical simple harmonic motion (shm). you may assume that the collision time is extremely small.
  
• two large dark-coloured eyes were regarding me steadfastly. the mass that framed them, the head of the thing, was rounded, and had, one might say, a face. there was a mouth under the eyes, the lipless brim of which quivered and panted, and dropped saliva. the whole creature heaved and pulsated convulsively. a lank tentacular appendage gripped the edge of the cylinder, another swayed in the air. –the war of the worlds, h. g. wells what is the author's purpose in this passage? how is this purpose revealed?
  
• what do you think the illustrator is trying to say about the real life battle between monopolies and laborers?
  
• calcium chloride is used to make pickles. the calcium atom transfers electrons to chlorine atoms, leading to the formation of chemical bonds. calcium chloride contains bonds. copper atoms are used to produce pennies. the copper atoms in pennies share many electrons. pennies contain bonds. hydrochloric acid is the main acid that helps break down food in the stomach. the atoms of hydrochloric acid share electrons. hydrochloric acid contains bonds.
  
• anna is working on the study guide for her biology semester exam. the statement is made that atp is required for all cellular functions. anna is not sure this is true, so she starts generating a list of cellular processes she has studied this semester. she sorts them by processes that require atp and those that do not. she concludes that while atp is required for cellular processes requiring energy input, atp is not a requirement of all cellular processes. evaluate anna's list and her conclusion. do you agree or disagree, why or why not?
  
• since it‘s where most young adults spend their time, 50% of retailers spend at least half of their marketing money on
  
• which statement describes an effect of large asteroid and comet impacts? they may cause continents to move. they may cause small craters on earth’s surface. they may cause changes limited to within the crater. they may kick up dust and pollute earth’s atmosphere.