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• which is the graph of a quadratic equation that has a negative discriminant? on a coordinate plane, a parabola opens down. it goes through (negative 4, negative 4), has a vertex at (negative 2, 0), and goes through (0, negative 4). on a coordinate plane, a parabola opens down. it goes through (negative 4, negative 4), has a vertex at (negative 2, 0), and goes through (0, negative 4). on a coordinate plane, a parabola opens up. it goes through (negative 4, 4), has a vertex at (negative 2, 0), and goes through (0, 4). on a coordinate plane, a parabola opens up. it goes through (negative 4, 8), has a vertex at (negative 2, 4), and goes through (0, 8).
  
• pat’s pizza place sells large pies for $12 with a charge of $2 for each topping. if reagan only has a $20 bill to spend on a pizza, which graph best represents the number of toppings she can afford to add to her pie?
  
• all of the following provide evidence for evolution except: a fossils b vestigial organs c the similarity of human dna to other organisms' dna d sexual reproduction
  
• a parking garage allows users to park the first hour free and then charges $2.50 for each additional hour or fraction of an hour. which equation represents this situation?
  
• for a science project, janet performs four experiments that are supposed to show a chemical reaction. she displays her results in a table. in the column titled ""chemical reaction?,” which experiment’s data should be changed to ""no”? experiment 1 experiment 2 experiment 3 experiment 4
  
• completa el espacio en blanco con la forma correcta del verbo en el tiempo futuro. juan y katalina ________ en el partido mañana. (jugar) jugará jugarán jugán juegarán
  
• which systems have infinite solutions? check all that apply. y = 0.5x + 2.75 and 2y = x + 2.75 y = 0.5x + 2.75 and y – 0.5x = 2.75 y = 0.5x + 2.75 and 0.5x + y = 2.75 y = 0.5x + 2.75 and y = 0.5(x + 5.5) y = 0.5x + 2.75 and y = –2(–0.25x )+ 2.75
  
• which two parts of this excerpt from f. scott fitzgerald's ""winter dreams
  
• what was the greatest cause of tension between the united states and the soviet union after world war ii? different forms of government and economy different views about the use of atomic weapons accusations the united states delayed the d-day invasion accusations the soviets did not enter the war against japan quickly enough
  
• the attacks of september 11, 2001, were preceded by attacks in 1998 on american embassies in tanzania and