Answers edited by michael

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• Using the equation, #Fe_2O_3 + 2Al -> 2Fe + Al_2O_3#, how many grams of #Al# are needed to completely react with 135 grams of #Fe_2O_3#?
  
• Question #559dc
  
• How do you factor #12x^{3} - 40x^{2} + 12x#?
  
• How do you solve #\frac { 2 b - 5 } { b - 2 } - 2 = \frac { 3 } { b + 2 }#?
  
• How do you solve #4^(3-2x)=5^-x#?
  
• Question #34559
  
• How do you solve #3( y - 8)^{2} = 96#?
  
• How do you write #y=3/4x+1# in standard form?
  
• Question #dc53c
  
• How do you determine p(c) given #p(x)=x^4-2x^2+4# and c=3/2?
  
• How do you simplify #\frac { 6x - 3} { 2x ^ { 2} + 7x - 4} \div \frac { 15} { x ^ { 2} - 16}#?
  
• How do you simplify #\frac{x^{2} y^{3}}{x y^{2}}#?
  
• The pH scale runs from a low of what?