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• the area of a sector of a circle is given by the equation uppercase a = startfraction pi r squared uppercase s over 360 endfraction, where r is the radius of the circle and s is the angle measure of the sector. if mia solved this equation for s, which of the following equations did she write?
  
• some bacteria living in the ocean floor can turn methane (a gas) into food. how would you classify these bacteria? a. producers b. consumers c. decomposers d. both consumers and decomposers
  
• which of the following describes the end behavior of f(x) = 2x 3x2 − 3 ? the graph approaches 0 as x approaches infinity. the graph approaches 0 as x approaches negative infinity. the graph approaches 2/3 as x approaches infinity. the graph approaches –1 as x approaches negative infinity.
  
• consider a system to be one train car moving toward another train car at rest. when the train cars collide, the two cars stick together. what is the total momentum of the system after the collision? 800 kg • m/s 1,600 kg • m/s 2,400 kg • m/s 4,000 kg • m/s
  
• which would be the best way to represent the concentration of a 1.75 m k2cro4 solution?
  
• which function rule models the function over the domain specified in the table below? x f(x) –7 –11 –1 1 3 9 4 11 7 17 f(x) = 3x + 10 f(x) = 2x + 3 f(x) = 4x + 5 f(x) = 3x – 10
  
• which statement describes the blood type of a person with the alleles iai? it is type ab because i and i are codominant. it is type ab because a and i are codominant. it is type a because i is dominant and a is recessive. it is type a because a is dominant and i is recessive.
  
• which processes form glaciers? impact and deflation plucking and abrasion deposition and erosion accumulation and compaction
  
• which best states how brazil gained independence? brazil gained independence by inspiring colonists to revolt. brazil gained independence through the leadership of bolívar. brazil gained independence with assistance from other countries. brazil gained independence in a largely peaceful revolution.
  
• the equation, 3x2 + 6x + 3y2 + 7y + 4 = 0, represents a conic. the conic represented by the equation is a/an because .