Answers edited by elsie ☆

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• The temperature off 200.0 mL of a gas originally at STP is changed to -25 degrees at a constant volume. What’s the pressure of gas in atm?
  
• What do you mean by a precipitation reaction?
  
• Aliah has a plastic toy that weighs 40g. What else does she need to know in order to calculate the density of this toy?
  
• How do you find the slope and intercept of #y = 6x + 1#?
  
• How do you solve #x^2-14x-49=0#?
  
• How do you solve #x^2 + 8x - 41 = -8# by completing the square?
  
• How do you graph #y=-x +4# by plotting points?
  
• How do you solve #24+x^2=10x#?
  
• What is the domain and range of #y=3x-11#?
  
• How do you factor by grouping: #2x^3 + 8x^2 - 7x – 28#?
  
• What is the domain and range for #y = 40 - 8x^2#?