Answers edited by Ms. Worth

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• How do you solve #7z^2=70z-147#?
  
• Bruce collects stamps. He has six times as many 10-cent stamps as 5-cent stamps, and he has some 20-cent stamps as well. Bruce has 72 stamps which are worth $8.40. How many of each stamp does he have?
  
• Question #7828a
  
• What name is given to the sac, which surrounds and protects the heart?
  
• Question #def8e
  
• Question #f8f4f
  
• 1/s+1/r=1/b. solve for b?
  
• How do you simplify #2sqrt20-sqrt20+3sqrt20-2sqrt45#?
  
• Question #4ecff
  
• How do you simplify #\frac { 11x ^ { 2} } { 33x } + \frac { 5x ^ { 2} } { 15x }#?
  
• Which is the smallest of #3/5#, #10/17#, #15/54#, #60/121# ?
  
• Question #19996
  
• Why does the pain of passing kidney stones tend to come in waves?
  
• Question #e9e17
  
• Where would you place the decimal point in this product? 9.412 multiplied by 100=9412
  
• Question #f4504
  
• Which of these set of lengths are not the side lengths of a right triangle: #(36, 77, 85), (20, 99, 101 ), (27, 120, 123) and (24, 33, 42 )#?
  
• Question #26941
  
• Why are the pulmonary veins called veins if they carry oxygenated blood? Why are pulmonary arteries called arteries if they carry deoxygenated blood?
  
• What is the quotient of $306.80 divided by 14 to the nearest cent?
  
• What interesting type of cat can be made from hybridization?
  
• Question #bd74c
  
• How do you graph #y = -x-2# by plotting points?
  
• 10% of what equals 5?
  
• How do you determine if #(5y^2)/x^2+4x# is a polynomial and if so, how do you identify if it is a monomial, binomial, or trinomial?
  
• Which is larger? #0.5mg or 0.01082mg#
  
• How do you simplify #x^ { 2} ( p ^ { 5} ) ^ { 2} y - \frac { 3x ^ { 2} p ^ { 10} } { y ^ { - 1} } + \frac { 4x ^ { 3} p ^ { 8} } { x ^ { 2} p ^ { - 2} } - \frac { 2p ^ { 10} } { x ^ { - 1} y ^ { - 1} }#?
  
• 3/4x -1/3 =5 What is x?
  
• What material do plants make during photosynthesis?
  
• A landscaper is putting in a brick patio. The area of the patio is 110 square meters. If the bricks measure 10 centimeters by 20 centimeters, how many bricks will it take to make the patio? Assumes no space between bricks?
  
• Question #06e3a
  
• Repeated overexposure to what can lead to the development of squamous cell and basal cell cancer?
  
• How do you simplify #(- 5) * ( - 5) 2#?
  
• Question #4645d
  
• Question #c5464
  
• What's the name for Earth's supply of water?
  
• How do you solve for n in #(1/2)x-(2/3)=4x#?
  
• How do you add #(- 5.9) + 5.7#?
  
• How do you evaluate #-5\frac { 4} { 5} + ( - 6\frac { 2} { 5} )#?
  
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