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• there are several ways to model a compound. one type of model is shown. a central c attached to 3 c's by 1 line each, each of the 3 c's being attached to 3 h's by a 1 line each. the central c is also attached by 1 line to a c, which is attached to 2 h's and a c by a single line each. the c is attached by 2 lines to an o ad by 1 line to another o. the o with 1 line is attached by 1 line to an h. what is the chemical formula for the molecule modeled?
  
• what made many of the young volunteers think going off to war would be an adventure? many had never been away from home. many had read war propaganda. many hated the jobs they did at home.
  
• match each system of equations to the inverse of its coefficient matrix, a-1, and the matrix of its solution, x.
  
• why did the author of seedfolks most likely make kim's character think about her father when she is in the vacant lot? to add drama to the story to reveal kim's timid personality to show that kim's perspective is changing to explain her motivation for planting the seeds
  
• which quotation correctly uses an ellipses? “the brave men, living and dead, who struggled here, have consecrated it, far above. . . .” “the brave men . . . who struggled here, have consecrated it, far above our poor power to detract.” “the brave men . . . who struggled here. . . .” “the brave men . . . far above our poor power to add or detract.”
  
• which rule describes the composition of transformations that maps δdef to δd''e''f''? r0,90° ∘ t5,0(x, y) t–5,0 ∘ r0,90°(x, y) t5,0 ∘ r0,90°(x, y) r0,90°(x, y) ∘ t–5,0
  
• in the united states, alcoholic beverages that are sold in stores display a government warning stating that pregnant women should not drink alcoholic beverages. this is because it prevents cleavage division from occurring, so a zygote cannot become a blastocyst. if a woman drinks alcohol while she is pregnant, she may not be able to ovulate again after childbirth. studies have proven that alcohol consumption causes long-lasting disorders in the fetus. the science of chemistry has shown that alcohol is a reactive substance that may interfere with the mother’s food digestion.
  
• the work-energy theorem states that a force acting on a particle as it moves over a ______ changes the ______ energy of the particle if the force has a component parallel to the motion.
  
• an investment of $7,650 earns interest at the rate of 5% and is compounded quarterly. what is the accumulated value of the investment at the end of 9 years? a. $11,964.17 b. $11,867.66 c. $9,338.56 d. $8,554.94
  
• read the excerpt from chapter 8 of the travels of marco polo. here again good incense grows in profusion—i will tell you how. it is produced by trees of no great size, like little fir trees. they are gashed with knives in various places, and out of these gashes oozes the incense. some of it even oozes from the tree itself without any gashing, in consequence of the great heat that prevails. what is most likely the author's purpose for including this detail about dhofar? to convince readers of the benefits of using incense from dhofar to entertain readers with tales of buying incense to educate readers about how incense is made in dhofar to give readers instructions on how to make their own incense