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  1. Equation to be used for all combos: Georgia is purchasing cookies for her classmates.
  2. Need help w/ solving systems of linear equations by substitution
  3. Sightseeing boat and writing equation
  4. write function relating purchase price, after coupon, to retail price; state domain
  5. where does the 11 come from? (fraction)
  6. d=rt very confused
  7. Using linear equations and inequalities to determine exact values help.
  8. The weekday rate for a telephone call is $0.03 per minute. Determine the length of a
  9. Help with Functions/Inverse Function/Domains/Ranges/Expressions
  10. Gauss's formula for adding a series of numbers
  11. Relationship between x and y: (1,-1) (2,1) (3,3) I got y=2x-3
  12. Work related problem regarding weighted averages and percentages
  13. To make 18 grams of Z requires 2 grams of X and 16 grams of Y.
  14. I could really use a hand
  15. few noob questions and numerical methods help ?
  16. Linear equation help: 2(1-2x)/3 -2x=-2/5+ 4(2-3x)/3
  17. A group of people book out a function centre for $1500. Five people withdraw....
  18. 7C = 27, 5B = 14, 1D = 4, 4D = 12, 9A = 33, 2C = 7; find 6C + 3B
  19. qudratic equation and fixed point iteration ? please help ...
  20. Could Someone Help Me With this Equation: x = -5, y = -2, y - 4 = -2(x + 3)
  21. Looking for help understanding simplification of this expression with radicals
  22. Linear Graph Equation Problem: x = -1, y = 7, y - 3 = 2 (x + 1)
  23. Help seeing between the lines
  24. How to solve equation x = (1)/(1-x)
  25. Can someone please explain how to solve x with given 128^8=2^x
  26. Please help me explain how to get the answer (provided) to this Mathis puzzle
  27. Problem: Simplify numerical radical terms
  28. Need help with this tournament setup
  29. Y^3: I'm solving the equation of y^3=x/2
  30. The difference between the digits of a two digit number is 1....
  31. Graphing Function
  32. If X/a-b+c = Y/b-c+a = Z/c-a+b, Prove that : X+Y/a = Y+Z/b
  33. 4x^2+9y^2 = 12xy
  34. Multiplying Complex Numbers: Z3 = 5 -j2 times Z4 = 3 + j
  35. Equations, please I need help finding unknown values
  36. How to solve this question? If f(2x)=x^2+3x+9, find the value of 3f(4)-5
  37. help with writing & solving equations
  38. Proof that function is bijective: f(x) = x+1 (x odd), x - 1 (x even)
  39. Solve for x: -3x+6
  40. Troublesome word problem
  41. Dimensions of a pool
  42. Straight line w/ slope 2, y-int at y=-2; find equation and plot line
  43. Find x and y intercepts using algebra for y = -x^2/8 + 9x/8 + 5/4
  44. How to solve the system of equations?
  45. Determining the value of variables according to the number of roots
  46. Please check my answers! I beg you!
  47. Exponential Function from a table
  48. Evaluate each function for the domain (-2, 0, 1, 2, 4): y = 3.1^x
  49. The age of father is twice as his son┤s age. 10 years ago, sum of both ages was ...
  50. P=Poe^kt: If population is 27,385 in 2001, 27,523 in 2011, what will it be in 2025?
  51. Simplifying x / [ (x^-3) - (2x^2) ] into Positive Indices
  52. Writing the rule for a sequence
  53. Simultaneous eqns: 0.5Ax^-0.5=0.1, 0.5Ay^-0.5=z, x=100y, A is a constant
  54. Simplication: eq1: sqrt[x^2 y^3], eq2: sqrt[x^2 y^2 y], eq3: |xy| sqrt[y], eq4: ...
  55. Rules for deriving Equation of Straight line
  56. Isn this a linear function and is it discreste?
  57. Find the domain of h(x) = [arcsin ( (2x-1)/(1-x) )]^2 - 2
  58. solving for an inequality: (x - 9)^2 (x + 4) > 0
  59. Write a Polynomial V(x) for the Remaining Part of the Solid
  60. polynomial question
  61. Diophantine equation : "(xy + yz + zx) / (x + y + z)=4
  62. solve a system of equations using elimination
  63. A word problem with a quadratic equation
  64. GCF Of 2 Monomials
  65. 2000 tickets sold for $1,539,500, some at $800, some at $550; how many of each?
  66. Finding Square Routes of Fractions
  67. Strangest radical problem ever: Trying for over an hour
  68. Solving logarithmic equation: solve ln(x/y) = y/s for y
  69. Geometric Series with only one known term
  70. Which order? take cube root, or divide by 4 first? solving 4x^3 = 20
  71. Standard form: ax+by=c or ax+by+c=0? is y-first okay?
  72. Need quick help if you know quick answers to these reply please
  73. logaritmo
  74. is the function x▓+3 surjective. how do you test for surjectivity ?
  75. how to get t by itself in v = a-(b*(t-30)) - (c*(t-3)*(t-3))
  76. Solve (sqr 3)x + (sqr 2)x = 1
  77. Formula for Measured light vs. perceived light
  78. Solving Complex Fractions: [ 3/(x+2) + 2/3 ] / [ (2x)/(x+2) - 1/x ]
  79. Formula for calculating DPS (damage per second)
  80. For three consecutive integers the sum of twice the smallest integer and three times
  81. The admission fee at an amusement park is $ 1.50 for children and $ 4.00 for adults.
  82. The number of books in a class library is 17 more than 3 times the number of students
  83. What is the LCD of x and x+h?
  84. Tým x , biết: |x - 3| + |3x + 4| - |2x + 1| = 0
  85. Help w/ function: If f(x) = x - 2x^2, what then is f(1/(2x+1)) ?
  86. Imaginary numbers: solve this problem: (X-7)^2 =- 4 for x
  87. X intercept: how to find the x intercept of Y=x^2-16x
  88. Factor quadratic using the box method (where did I go wrong?)
  89. Variables on both sides
  90. Just Curious
  91. re-write each expressions as a single power and then evaluate
  92. what answers do I get if I have m^2 > 16 ?
  93. Help with quadratic functions!!
  94. Please Help! Some math quiz questions
  95. Flow/Velocity: cyl. pipe w/ d=0.9m, flow 3m^3/min; find veocity in m/sec
  96. quick question- what would (a-6) - (a+2x) equal.. I hope I posted in the right area
  97. solve for x exponent problems: 9*2^x=6^x & 18^2x * 3^-2x = 6
  98. Rearrange (1/x) + (1/y) = 1 for x; answer is y/y-1 = x.
  99. Need help with this compound fraction
  100. If prcnt incr. from A to B is 20% and prcnt decr. from B to A is 16.67%, what is A?