Answers edited by ceenik

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• How do you find the sum of #( 5x ^ { 3} + 3x ^ { 2} - 5x + 4)# and # ( 8x ^ { 3} - 5x ^ { 2} + 8x + 9)#?
  
• 6.5% of what number is 325?
  
• How do you combine #\frac { w + 8} { w - 4} + \frac { w - 4} { w + 8}#?
  
• How do you simplify #(\frac { 24x ^ { 5} y ^ { 4} } { 3x ^ { - 2} y } )#?
  
• Question #fbdc5
  
• How do you solve #h = -16t^2 + 50t + 4# using the quadratic formula?
  
• How do you simplify #r^2/(2r^3)# and write it using only positive exponents?
  
• How do you multiply and simplify #\frac { 2a } { a ^ { 2} - 81} \cdot \frac { a - 9} { a }#?
  
• How do you simplify #-11sqrt21-11sqrt21#?
  
• How do you divide #(-3x^4-9x^2+2x-3)/(x^2+4)#?
  
• Question #37c70
  
• A Labrador retriever weighs 48 pounds. A husky weighs 775 ounces. Which dog weighs more? By how many ounces?
  
• How do you simplify #sqrt ((50^2)-4(13+y))#?
  
• How do you solve #8x^2 + 4x = -5# using the quadratic formula?
  
• How do you solve #z( z - 2) = 2#?
  
• How do you multiply #\frac { x - 4} { 4x ^ { 2} + 10x } \cdot \frac { 4x ^ { 3} + 10x ^ { 2} } { 2x ^ { 2} }#?
  
• How do you find the midpoint of (5,-2), (3,-6)?
  
• How do you calculate #log89# with a calculator?
  
• How do you solve #abs(x-10)=17#?