exam Maths Puzzle Numerical Ability

(-2)^-4

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exam Other Question

a rocket is fired upward with an inital speed of 1960 m/s. after how many minutes does it hit the ground? Determine which two equations represent perpendicular lines.

(a)y=4/7x-3 (b) y=3x-4/7

(c) y=1/3x+4/7 (d) y=1/3x-4/7