Answers created by Donna

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• How do you solve `3/4+1/2x=2+1/4x`?
  
• If 24500 J is applied to 125g of water at 35 C, what will the final temperature of the water be?
  
• How do you find the magnitude of <-15,-12> and write it as a sum of the unit vectors?
  
• How do you factor the trinomial `15r^2+2rs-s^2`?
  
• Question #39644
  
• What is the molecular formula of hydrochloric acid?
  
• How do you divide `(-x^3+13x^2-x-5)/(x-4)`?
  
• A triangle has corners at `(9 ,7 )`, `(3 ,1 )`, and `(5 ,2 )`. What is the area of the triangle's circumscribed circle?
  
• Question #9f361
  
• How do you solve `5/8-:3/4`?
  
• What is the angle between `<3 , -2 , 7 >` and `< 5, -3 , 2 >`?