exam
Maths Puzzle
Numerical Ability
Add 5y-4and 2y^2-8y
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exam Other Question
an airplane tooke 2 hours to fly 600 km against a head wind. The return trip with the wind took 1 2/3 hours. Find the speed of the plane in still air.
Find the slope of the line passing through the pair of points or state that the slope is undefined.
(4,2) and (7,8)
(-7,-9) and (3,-2)
(6,3) and (6,-4)
(7,-4) and (-9,-4)