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• a student must choose to participate in two different events during field day. there are four track events, two academic events, and six team sports events. what is the approximate probability that the student will choose to participate in two team sports?
  
• a wave hits an object as shown. a vertical line with medium 1 to the left and medium 2 to the right. an arrow from the left reaches the line. an arrow starts from the same point on the line and goes right at a different angle. which kind of wave interaction is shown? absorption diffraction refraction reflection
  
• which of the following views did the federalists favor? state and federal governments should be equal. the federal government should be stronger than state governments. state governments should be stronger than the federal government.
  
• price elasticity of demand is the difference in the quantity demanded compared to the difference in __________. a. quantity supplied b. production cost c. consumer price d. quality of the good
  
• an eagle and a grizzly bear both feed on the same species of salmon in the same location. which type of symbiotic relationship is displayed by the eagle and the bear? options competition commensalism predation parasitism
  
• which statement best summarizes justice brennan’s opinion? the right to free speech extends to those expressing unpopular ideas. free speech is limited only to nonviolent speech the government can never prohibit the expression of an idea. society can prohibit speech if it is offensive or disagreeable.
  
• how did passage of the 17th amendment change the political process in america?
  
• what do doodle’s repeated pleas of “don’t leave me” foreshadow? once the narrator returns to school, he leaves doodle at home and forgets all of his plans to help him. after doodle refuses to touch the casket, the narrator refuses to help doodle and leaves him alone in the loft. later in the story, the narrator races ahead and leaves doodle to struggle behind during a terrible storm. when doodle struggles to learn to walk, the narrator leaves and doodle is left sitting alone in old woman swamp.
  
• parallelogram a b c d is shown. sides a b and d c are parallel, and sides a d and b c are parallel. the length of a b is 4 y minus 3, the length of b c is 42, the length of d c is 37, and the length of a d is 3 x minus 9. use parallelogram abcd. what are the values of x and y? x = y =
  
• to keep producing a specific shirt style, a clothing company must make a profit of at least $5,000 on the style. this system of inequalities models the potential profit from the sales of the shirt style and the profit constraints, where p represents the profit and x is the shirt price. complete the statements about the system’s possible solutions. when the price of the shirt is $15, the company its profit goals. when the price of the shirt is $25, the company its profit goals.