Answers created by Fabio

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• Some students sleep 6 hours a night. What percent of the time do they sleep in a seven day week?
  
• 63 is 90% of what number?
  
• What is the standard form of #y= (x-5)^2-4 #?
  
• How do you solve #p=2l+2w# for l?
  
• How do you simplify #3/x - 2/(x+1)#?
  
• How do you solve #3.5x -49 = 2.2x +3 #?
  
• How do you evaluate #(- 2\cdot \sqrt { 15} ) ^ { 2}#?
  
• Mason spent $15.85 for 3 notebooks and 2 boxes of markers. The boxes of markets cost $3.95 each, and the sales tax was $1.23. Mason also used a coupon for $0.75 off his purchase. If each notebook had the same cost, how much did each cost?
  
• How do you simplify #5/(x+3) - 2/(x-1)#?
  
• How do you simplify #7^2 * 8^2#?
  
• How do you simplify #3times 2/5#?
  
• How do you factor #-2h^2-28h-98=0#?
  
• How do you simplify #2(6x+1/2)#?
  
• Stephanie has $152 in the bank. She withdraws $20. Then she deposits $84. How do you write an addition expression to represent this situation then find the sum and explain its meaning?
  
• How do you solve #5x-y=9# and #x=1/2y-3#?
  
• How do you write 5/9 as a decimal?
  
• How do you simplify #x^2y ^ { 2} - x y ^ { 3} + 5x y ^ { 3} + 5x y + 5x y ^ { 3} + 5x y#?
  
• How do you simplify #(2/5)^-3#?
  
• How do you simplify #(3^(1/2))^2#?
  
• How do you solve #3- 2( 5x - 4) > - 9# and #3x > - 4( x - 2)#?
  
• How do you subtract #\frac { 13} { 14s } - \frac { 11} { 49s }#?
  
• How do you find the equivalent exponential expression #(9^4)^3#?
  
• What is the domain and range of #y = (x + 3) / (x -5)#?
  
• How do you factor #(x+2)^2 -5(x+2)#?
  
• How do you solve #13 = 8-5d#?
  
• What is the slope of the line passing through the following points: #(-7,11), (9, -10) #?
  
• How do you solve the system #x+2y=13# and #3x-5y=6# using substitution?
  
• How do you evaluate the integral of #int x/6 dx# from 0 to 2?
  
• How do you evaluate #\frac{ 7}{ 13} + \frac{ 1}{ 7}#?
  
• What adds To be the bottom number but also multiplies to be the top? The top number is 48. The bottom number is 14.
  
• How do you differentiate # f(x)= (4x^2+5)(3x-5)# using the product rule?
  
• What is the derivative of #y=x/(5-3x)#?
  
• What is x if #(4x+3)^2=7#?
  
• How do you convert #y=x^2+18x+95# in vertex form?
  
• How do you solve #15+ 5t + 5= 415#?
  
• You earn $56 walking your neighbor's dog for 8 hours. Your friend earns $36 painting your neighbor's fence for 4 hours. What is your pay rate? What is your friend's pay rate? Are the pay rates equivalent?
  
• What is the equation of the line that has a slope of #-2# and goes through the line #(4,3)#?
  
• How do you solve #7/y-7/3=1/4#?
  
• How do you solve #22x-x^2=96#?
  
• How do you simplify #(-10)^5/ (-10)^9# leaving only positive exponents?
  
• If a tanker is towed at the rate of 5 miles an hour, how many hours will be needed to tow the tanker 28 miles?
  
• How do you differentiate #g(x) = (2x^2 + 4x - 3) ( 5x^3 + 2x + 2)# using the product rule?
  
• How do you solve using the quadratic formula #3x^2 + 6x = 12#?
  
• What are the asymptotes and removable discontinuities, if any, of #f(x)= 1/x^2+2#?
  
• What is the vertex form of #y = x^2 -14x + 16#?