exam
Maths Puzzle
Numerical Ability
simplify (2x^2+4x/8x^2-40x)(6x^3-30x^2/3x^2+6x)
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exam Other Question
graph each compound or absolute value inequality
x+y <= 1 or y <= 4
thank you
A plane flies 300 miles with a tail wind in 1 hour. It takes the same plane 2 hours to fly the 300 miles when flying against the wind. What is the plane's speed in still air?