Answers created by Dani W.

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• What is -6(w+1) < 2(w+5) ?
  
• What is the original molarity of a solution of a weak acid, given Ka and pH?
  
• How many times taller is 7,000,000 than 70,000?
  
• What is #[(8+5)*(6-2) ^2] - (4*17 -: 2)#?
  
• Is -3.25 rational or irrational?
  
• If #(x+6)/x^(1/2) = 35# then what is the value of #(x+1)/x# ?
  
• How do you find the domain and range of #y = 2x^3 + 8#?
  
• A homeowner made a down payment of $10,000 and pays $700 each month for his mortgage. Write a function that shows how much has been spent on the house in terms of the number of months it has been owned?
  
• What is the equation of the line tangent to # f(x)=(x-1)^2(2x+4)# at # x=0 #?
  
• For what values of x is #f(x)= x^2-x + 1/x-1/x^2 # concave or convex?
  
• Question #27a8a
  
• Question #b6de6
  
• How do you rationalize the denominator and simplify #(6sqrt3 - sqrt7) /( 4 - sqrt3)#?
  
• Cups A and B are cone shaped and have heights of #27 cm# and #25 cm# and openings with radii of #7 cm# and #9 cm#, respectively. If cup B is full and its contents are poured into cup A, will cup A overflow? If not how high will cup A be filled?
  
• How do you simplify #\frac{((a+b)\div a)-\frac{b}{a+b}}{a+b}+\frac{\frac{b}{a}-\frac{a-b}{a+b}}{a-b}#?
  
• Question #6ce93
  
• If #64^x-1=16^(x/2)#, find #x#?
  
• What are the local extrema, if any, of #f(x) =x^2(x+2) #?
  
• Question #399a4
  
• How do you solve #-5( x + 3) > 6x + 18#?
  
• If #2(a^2-b^2) = 44# and #a-b=2#, what is the value of #a+b#?
  
• How do you simplify #\frac { 6t + 9t ^ { 2} - 6} { 2+ 3t }#?
  
• How do you differentiate #y=(-7x^4+10x^(2/5)+8)(x^2+10)# using the product rule?
  
• How much energy would it take to melt 1 aluminum soda can if the can starts out at 20°C, melts at 660°C, and has a mass of 14 g?
  
• What role does temperature play on density?
  
• Why was Rutherford wrong ?
  
• Question #a8585