A car uses 15 gallons of gaz to travel 300 miles. How many gallons are needed for this car to travel a distance of 430 miles?
The solution of the equation -3x + 7 = 4x - 12 falls bewteen what 2 numbers?
The operation ||| is defined by x ||| y = x + y + xy. If -5 ||| y = -13, then y =
Which of the following is one of the factors of the polynomial -3x^2 - 7x + 26?
David has 200 books in his library. 30% of these books are about science. Of these books about science, 20% are about mathematics. How many math books does David have?
35x^2 -11x - 6 is the product of 5x - 3 and
What is the product of the solutions of the equation 2x^2 + x - 15?
For all real numbers x, y and z, 3√(64 x^3 yz^2) =
If y = |x - 3|, what is the value of y^2 when x = -2?
For all x, 45 x^4 - 115 x^3 - 60 x^2 =
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