Answers created by Geoffrey T

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• Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Write a system of equations. Solve the system to find the cost of a chocolate bar and the cost of a pack of gum?
  
• How do you solve #8x-5y= -46# and #8x+ 86=y# using substitution?
  
• How do you solve #n + 8= 3\times 9#?
  
• How do you simplify #(20x^3-20x^4)/(x^2-2x+1)#?
  
• What is the square root of 5 times the square root of 15?
  
• How do you factor #y=x^2 - 2x - 15# ?
  
• How do you find the domain and range of #f(x)=1/2(x-2)#?
  
• What is the product of the polynomials below? (6x3 + 3x)(x2 + 4)