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What is the differences between postulate and theorems? How doI solve system of equations by substitution? It took 3.5 hours for a train to travel the distance between two cities at a velocity of 120 miles/hr how many miles lie between the two cities? 9 is 0.03 percent of what number? What is the area of 12 foot circle? What is five squared? What major difference between the equation for a hyperbola and for an ellipse is the operation performed The terms in the equation of an are subtracted? What is f in 7 times 5 times f equals 7070? What are the first four numbers of Pi? How do you find for the zero of a linear function? What is sin squared x minus cos squared x? What number is next and 2 3 3 4 5 4 5 6 7 5 6 7 8 9? What minus 675 equals 324? Which two integers have a sum of -105? What is the effective annual return for an investment that pays 10 percent compounded annually? Solve 3x plus 2x equals -4? How do you calculate times interest earned if there was no interest expense? What is the algebraic expression for this sequence 2 6 14 30 62? The perimeter of a triangle is 30 inches the first side of the triangle is 1 inch longer than the second side the second side is 7 inches longer than the third side what is the length of each side of? What are powers about maths?