exam
Maths Puzzle
Numerical Ability
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
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exam Other Question
If the amount of mercury in a polluted lake is 0.40 HG/mL, what is the total mass of mercury in kilograms in the lake. The lake has a surface area of 25 square miles and an average
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