exam
Maths Puzzle
Numerical Ability
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If you have time, could you please help me with this problem? Thanks!
"Find at least one solution of x^2-x=12"
- student in need :)
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exam Other Question
product for
(3y^2+1)(3y^2-1)
a ball is thrown upward from the roof of a building 100 m tall with an initial velocity of 20 m/s. when will the ball reach a height of 80 m?