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• in a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends.
  
• lydia writes the equation below with a missing value. she puts a value in the box and says that the equation represents a direct variation. which explains whether the equation could represent a direct variation?
  
• choose the best response to the question. ¿qué abres tú? yo abres la puerta. yo abro la puerta. yo abre la puerta. yo abrimos la puerta.
  
• which statements about this system of equations are true? check all that apply. the x-variable will be eliminated when adding the system of equations. the y-variable will be eliminated when adding the system of equations. the sum of the system of equations is . there is only one solution to the system of equations.
  
• the sum of a number and its square is 42. which equation can be used to find the two numbers for which this is true?
  
• ling must spend no more than $40.00 on decorations for a party. she has spent $10.00 on streamers and wants to buy bags of balloons as well. each bag of balloons costs $2.50. the inequality below represents x, the number of bags she can buy given the spending limit and how much she has already spent on streamers. 10 + 2.5 x less-than-or-equal-to 40 which best describes the number of bags of balloons she can buy? she can buy from 0 to 12 bags, but no more. she can buy from 0 to 20 bags, but no more. she must buy 12 or more bags. she must buy 20 or more bags.
  
• the olmec peopleconstructed giant stone monuments.built pyramids out of blocks of stone.developed a writing system with pictographs.created a system of numbers that included zero.
  
• why did thurgood marshall cite the fourteenth amendment to argue that segregation in public schools was unconstitutional? the fourteenth amendment guarantees every child an education. the fourteenth amendment gives voters the right to reject supreme court decisions. the fourteenth amendment guarantees equal protection under the law. the fourteenth amendment formed the basis for plessy v. ferguson.
  
• sally has just finished her thirty-fifth year with her company and is getting ready to retire. during her thirty-five years, sally’s average annual salary was $45,603. how much can sally expect to receive from social security annually if she were to retire today? (assume she will receive 42% of her average annual salary.) a. $191.53 b. $1,915.33 c. $19,153.26 d. $191,532.60 please select the best answer from the choices provided a b c d
  
• a fitness center charges $3 per visit plus a monthly fee of $30. how much would it cost in one month if ella has 18 visits?