Answers created by CoStellar

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• What did the Qin Dynasty do to unify China, why was this so effective?
  
• How do you solve the system by substitution #x – 4y = –19# and #–4x – 5y = 13#?
  
• The owner of an apple orchard collected a sample of 40 apples. The check revealed that 32 apples contained no worms, 5 contained one worm, and 3 contained two worms. What are the odds in favor of a random apple containing exactly two worms?
  
• Ahmed invests $5000 in an account at 5.5% per year simple interest. How much will he have in the account after 5 years?
  
• What is the midpoint of a segment whose endpoints are #(3, -3)# and #(-13, 13)#?
  
• What number is 82% of 215?
  
• How do you solve #sqrta+11=21# and check your solution?
  
• How do you find three consecutive multiples of 3 if twice the second is 12?
  
• 42 is 200% of what number?
  
• Question #87413
  
• Question #71233
  
• How do you solve #9c(c-11)+10(5c-3)=3c(c+5)+c(6c-3)-30#?
  
• A sprinter set a high school record in track and field, running 200.0 m in 21.3 s. What is the average speed of the sprinter in kilometers per hour?