Answers created by Elle

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• How many molecules are in a 671 g sample of CO2?
  
• How do you solve #3r ^ { 2} - 8r - 16= 0#?
  
• Question #fa71b
  
• How do you simplify #(2x ^ { 4} y ^ { 3} v ^ { 2} ) ^ { 3}#?
  
• Question #af92a
  
• What is an en dash vs an em dash?
  
• How do you solve and check your solutions to #5g=20#?
  
• The label on a box of washing soda states that it contains #Na_2CO_3#. Name the elements in this compound. In what ratio are they present?
  
• How do you graph using slope and intercept of #- 5x + y =0#?
  
• Question #143ea
  
• If the flour to sugar ratio is 5 cups flour to 1 cup sugar, then how much sugar is needed if only 2 cups of flour are used?
  
• How do you find the slope and intercept of #3x+7y=4#?
  
• How do you solve #33 – 2a > 7#?
  
• What is the correct formula for the compound made by magnesium and nitrogen?