Answers edited by Nicole

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• How do you factor #144x²-81#?
  
• How do you factor #144x²-81#?
  
• How do you find the surface area of a sphere with a radius of 5 cm?
  
• How do you graph #y-2x=0# by plotting points?
  
• How do you solve 3x + 5y = 44 and 8x - 7y = -25?
  
• How do you factor the expression #7x^2 - 42x - 49#?
  
• How do you factor #f(x)=2x^3-10x^2-8x+40#?
  
• How do you find a standard form equation for the line with A(6, -1) and B (-3, 7)?
  
• How do you solve #sqrt(x+1) = x-1# and find any extraneous solutions?
  
• How do you simplify #log_2 14 - log_2 7#?